#include <iostream>
#include <vector>
#include <string>
#include <queue>
#include <cmath>
using namespace std;

int main(void){
    long long n, cnt=0, betu=0, ans;
    cin >> n;
    bool root = false;
    for(int i=1;i<=sqrt(n);i++){
        if(n%i == 0){
            int j = n/i;
            if(i <= j){
                string s1 = to_string(i);
                string s2 = to_string(j);
                if(s1+s2 == s2+s1){
                    betu++;
                }else{
                    cnt++;
                }
            }
        }
        
    }
    cout << cnt*2+betu << endl;

    return 0;
}