#include <iostream>
#include <cmath>
#include <cstring>
#include <strstream>

using namespace std;

int main() {
	long long result = 0;
	long long n;
	cin >> n;
	long long sqrn = (long long)sqrt(n);
	for (long long i = 1; i <= sqrn; ++i) {
		if (n % i == 0) {
			long long k = n / i;
			ostrstream str1, str2;
			str1 << i << k;
			str2 << k << i;
			if (strcmp(str1.str(), str2.str()) == 0) {
				++result;
			} else {
				result += 2;
			}
		}
	}
	cout << result << endl;
	return 0;
}