315747136 has 14 divisors (see below), whose sum is σ = 626560850. Its totient is φ = 157873536.

The previous prime is 315747101. The next prime is 315747139. The reversal of 315747136 is 631747513.

It can be written as a sum of positive squares in only one way, i.e., 297769536 + 17977600 = 17256^2 + 4240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315747095 and 315747104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315747139) 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, 2466711 + ... + 2466838.

Almost surely, 2^315747136 is an apocalyptic number.

It is an amenable number.

315747136 is a deficient number, since it is larger than the sum of its proper divisors (310813714).

315747136 is an equidigital number, since it uses as much as digits as its factorization.

315747136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933561 (or 4933551 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 315747136 is about 17769.2750555559. The cubic root of 315747136 is about 680.9467320475.

The spelling of 315747136 in words is "three hundred fifteen million, seven hundred forty-seven thousand, one hundred thirty-six".