16313139 has 6 divisors (see below), whose sum is σ = 23563436. Its totient is φ = 10875420.

The previous prime is 16313131. The next prime is 16313147. The reversal of 16313139 is 93131361.

It is an interprime number because it is at equal distance from previous prime (16313131) and next prime (16313147).

It is not a de Polignac number, because 16313139 - 2³ = 16313131 is a prime.

It is a super-2 number, since 2×16313139² = 532237008066642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16313131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 906277 + ... + 906294.

Almost surely, 2^16313139 is an apocalyptic number.

16313139 is a deficient number, since it is larger than the sum of its proper divisors (7250297).

16313139 is a wasteful number, since it uses less digits than its factorization.

16313139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812577 (or 1812574 counting only the distinct ones).

The product of its digits is 1458, while the sum is 27.

The square root of 16313139 is about 4038.9527107903. The cubic root of 16313139 is about 253.6174776157.

The spelling of 16313139 in words is "sixteen million, three hundred thirteen thousand, one hundred thirty-nine".