316129005 has 24 divisors (see below), whose sum is σ = 548915640. Its totient is φ = 168307200.

The previous prime is 316128977. The next prime is 316129013. The reversal of 316129005 is 500921613.

It can be written as a sum of positive squares in 4 ways, for example, as 180150084 + 135978921 = 13422^2 + 11661^2 .

It is not a de Polignac number, because 316129005 - 2⁸ = 316128749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316129005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21201 + ... + 32889.

It is an arithmetic number, because the mean of its divisors is an integer number (22871485).

Almost surely, 2^316129005 is an apocalyptic number.

It is an amenable number.

316129005 is a deficient number, since it is larger than the sum of its proper divisors (232786635).

316129005 is a wasteful number, since it uses less digits than its factorization.

316129005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12301 (or 12298 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 316129005 is about 17780.0170134902. The cubic root of 316129005 is about 681.2211369530.

The spelling of 316129005 in words is "three hundred sixteen million, one hundred twenty-nine thousand, five".