316137 has 4 divisors (see below), whose sum is σ = 421520. Its totient is φ = 210756.

The previous prime is 316133. The next prime is 316139. The reversal of 316137 is 731613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731613 = 3 ⋅243871.

It is not a de Polignac number, because 316137 - 2² = 316133 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 316137.

It is not an unprimeable number, because it can be changed into a prime (316133) 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, 52687 + ... + 52692.

It is an arithmetic number, because the mean of its divisors is an integer number (105380).

2³¹⁶¹³⁷ is an apocalyptic number.

It is an amenable number.

316137 is a deficient number, since it is larger than the sum of its proper divisors (105383).

316137 is a wasteful number, since it uses less digits than its factorization.

316137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105382.

The product of its digits is 378, while the sum is 21.

The square root of 316137 is about 562.2606157290. The cubic root of 316137 is about 68.1226879669.

The spelling of 316137 in words is "three hundred sixteen thousand, one hundred thirty-seven".