#define _USE_MATH_DEFINES
#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<iomanip>
#include<math.h>
#include<map>
#define llong long long
#define dou(s) atof(s.c_str())
#define llo(s) atoll(s.c_str())
#define str(n) to_string(n)
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,b,a) for(int i=b;i>=a;i--)
#define all(a) a.begin(),a.end()
#define fion(n) fixed<<setprecision(n)
#define endl '\n'
#define OR ||
#define AND &&
#define NOT !
#define lin(n) scanf("%lld",&n)
#define din(z) scanf("%lf",&z)
#define sin(s) cin>>s
#define input(s) getline(cin,s)
#define START int main
using namespace std;
START() {
  llong n;lin(n);
  llong t;
  llong c=0;
  for(int i=1;i*i<=n;i++){
      if(n%i==0){
          t=n/i;
          if(str(i)+str(t)==str(t)+str(i))c++;
          else c+=2;
      }
  }
  cout<<c<<endl;
}