315225136 has 10 divisors (see below), whose sum is σ = 610748732. Its totient is φ = 157612560.

The previous prime is 315225133. The next prime is 315225137. The reversal of 315225136 is 631522513.

315225136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (315225133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9850770 + ... + 9850801.

Almost surely, 2^315225136 is an apocalyptic number.

It is an amenable number.

315225136 is a deficient number, since it is larger than the sum of its proper divisors (295523596).

315225136 is a wasteful number, since it uses less digits than its factorization.

315225136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701579 (or 19701573 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 315225136 is about 17754.5807047083. The cubic root of 315225136 is about 680.5712731066.

Adding to 315225136 its reverse (631522513), we get a palindrome (946747649).

The spelling of 315225136 in words is "three hundred fifteen million, two hundred twenty-five thousand, one hundred thirty-six".