#include <iostream>

using namespace std;

int main()
{
    int n,ogl,nrd,d;
    cin>>n;
    ogl=0;
    while(n!=0)
    {
        ogl=ogl*10+n%10;
        n=n/10;
    }
    ///cout<<ogl<<"\n";

    d=1;
    nrd=0;
    while(d<=ogl/2)
    {
        if(ogl % d == 0)
            nrd = nrd+1;
        d++;
    }
    nrd++;
    cout<<nrd<<"\n";

    return 0;
}