#include <iostream>
#include <stdio.h>
#include <string>
#include <vector>
#include <cmath>
#include <algorithm>
#define MP make_pair
using ll = long long;
using namespace std;

int main()
{
  ll N;
  cin >> N;
  int cnt=0;
  for(ll i=1; i < sqrt(N); i++){
    if(N%i == 0){
      string a = to_string(i);
      string b = to_string(N/i);
      string x = a+b;
      string y = b+a;
      if(x == y)
	cnt += 1;
      else
	cnt += 2;
    }
  }
  if(ceil(sqrt(N)) == floor(sqrt(N)))
    cnt++;
  cout << cnt << endl;

  return 0;
}