N = int(input())
num = 0
a = 1

while a**2 < N:
    if N%a == 0:
        num += 2
        
        b = str(a)
        c = str(N//a)
        
        if b+c == c+b:
            num -= 1
        
    a += 1

if a**2 == N:
    num += 1
if b+c == c+b:
    num -= 1
    
print(num)