312492136 has 32 divisors (see below), whose sum is σ = 644244480. Its totient is φ = 140918400.

The previous prime is 312492133. The next prime is 312492151. The reversal of 312492136 is 631294213.

It is a junction number, because it is equal to n+sod(n) for n = 312492098 and 312492107.

It is not an unprimeable number, because it can be changed into a prime (312492133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 25156.

It is an arithmetic number, because the mean of its divisors is an integer number (20132640).

Almost surely, 2^312492136 is an apocalyptic number.

It is an amenable number.

312492136 is an abundant number, since it is smaller than the sum of its proper divisors (331752344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312492136 is a wasteful number, since it uses less digits than its factorization.

312492136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28105 (or 28101 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 312492136 is about 17677.4471007552. The cubic root of 312492136 is about 678.5987117863.

The spelling of 312492136 in words is "three hundred twelve million, four hundred ninety-two thousand, one hundred thirty-six".