316135642 has 12 divisors (see below), whose sum is σ = 500476266. Its totient is φ = 149748120.

The previous prime is 316135609. The next prime is 316135657. The reversal of 316135642 is 246531613.

It can be written as a sum of positive squares in only one way, i.e., 202521361 + 113614281 = 14231^2 + 10659^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218209 + ... + 219652.

Almost surely, 2^316135642 is an apocalyptic number.

316135642 is a deficient number, since it is larger than the sum of its proper divisors (184340624).

316135642 is a wasteful number, since it uses less digits than its factorization.

316135642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437901 (or 437882 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 316135642 is about 17780.2036546267. The cubic root of 316135642 is about 681.2259042399.

The spelling of 316135642 in words is "three hundred sixteen million, one hundred thirty-five thousand, six hundred forty-two".