316439539 has 8 divisors (see below), whose sum is σ = 343384272. Its totient is φ = 289866720.

The previous prime is 316439533. The next prime is 316439549. The reversal of 316439539 is 935934613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316439539 - 2⁹ = 316439027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316439495 and 316439504.

It is not an unprimeable number, because it can be changed into a prime (316439533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91204 + ... + 94609.

It is an arithmetic number, because the mean of its divisors is an integer number (42923034).

Almost surely, 2^316439539 is an apocalyptic number.

316439539 is a deficient number, since it is larger than the sum of its proper divisors (26944733).

316439539 is a wasteful number, since it uses less digits than its factorization.

316439539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185957.

The product of its digits is 262440, while the sum is 43.

The square root of 316439539 is about 17788.7475388235. The cubic root of 316439539 is about 681.4441188083. Note that the first 3 decimals are identical.

The spelling of 316439539 in words is "three hundred sixteen million, four hundred thirty-nine thousand, five hundred thirty-nine".