#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define loop(i,a,b) for(i=a;i<b;i++)
#define rloop(i,a,b) for(i=a;i>=b;i--)
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define psi pair<string,int>
#define pis pair<int,string>
#define pss pair<string,string>
const int inf=1000000001;
const ll INF=1e16;
#define MOD 1000000007
#define mod 1000000009
#define pi 3.14159265358979323846
#define Sp(p) cout<<setprecision(15)<<fixed<<p<<endl;

int keta(ll a){
  int i=0;
  while(pow(10,i)<=a){
    i++;
  }
  return i;
}

int main(){
  ll n,i;
  cin>>n;
  ll cnt=0;
  loop(i,1,(int)sqrt(n)+1){
    if(n%i == 0){
      ll a=i;
      ll b=n/i;
      if( (a + b * pow(10,keta(a))) == (b + a * pow(10,keta(b)))){
	cnt++;
      }else{
	cnt+=2;
      }
    }
  }
  cout<<cnt<<endl;
}