312372136 has 16 divisors (see below), whose sum is σ = 585897300. Its totient is φ = 156132864.

The previous prime is 312372043. The next prime is 312372139. The reversal of 312372136 is 631273213.

It can be written as a sum of positive squares in 2 ways, for example, as 292068100 + 20304036 = 17090^2 + 4506^2 .

It is not an unprimeable number, because it can be changed into a prime (312372139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30520 + ... + 39448.

Almost surely, 2^312372136 is an apocalyptic number.

It is an amenable number.

312372136 is a deficient number, since it is larger than the sum of its proper divisors (273525164).

312372136 is a wasteful number, since it uses less digits than its factorization.

312372136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308 (or 13304 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 312372136 is about 17674.0526195890. The cubic root of 312372136 is about 678.5118378442.

The spelling of 312372136 in words is "three hundred twelve million, three hundred seventy-two thousand, one hundred thirty-six".