316189139 has 4 divisors (see below), whose sum is σ = 361359024. Its totient is φ = 271019256.

The previous prime is 316189121. The next prime is 316189183. The reversal of 316189139 is 931981613.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 316189139 - 2¹⁶ = 316123603 is a prime.

It is a super-2 number, since 2×316189139² = 199951143243122642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316189096 and 316189105.

It is not an unprimeable number, because it can be changed into a prime (316189109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22584932 + ... + 22584945.

It is an arithmetic number, because the mean of its divisors is an integer number (90339756).

Almost surely, 2^316189139 is an apocalyptic number.

316189139 is a deficient number, since it is larger than the sum of its proper divisors (45169885).

316189139 is an equidigital number, since it uses as much as digits as its factorization.

316189139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45169884.

The product of its digits is 34992, while the sum is 41.

The square root of 316189139 is about 17781.7079888294. The cubic root of 316189139 is about 681.2643281334.

The spelling of 316189139 in words is "three hundred sixteen million, one hundred eighty-nine thousand, one hundred thirty-nine".