316629128 has 16 divisors (see below), whose sum is σ = 609725580. Its totient is φ = 154035648.

The previous prime is 316629121. The next prime is 316629139. The reversal of 316629128 is 821926613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 304781764 + 11847364 = 17458^2 + 3442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316629091 and 316629100.

It is not an unprimeable number, because it can be changed into a prime (316629121) 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 in 3 ways as a sum of consecutive naturals, for example, 534551 + ... + 535142.

Almost surely, 2^316629128 is an apocalyptic number.

It is an amenable number.

316629128 is a deficient number, since it is larger than the sum of its proper divisors (293096452).

316629128 is a wasteful number, since it uses less digits than its factorization.

316629128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069736 (or 1069732 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 316629128 is about 17794.0756433145. The cubic root of 316629128 is about 681.5801832590.

The spelling of 316629128 in words is "three hundred sixteen million, six hundred twenty-nine thousand, one hundred twenty-eight".