131396513 has 16 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 125099520.

The previous prime is 131396483. The next prime is 131396549. The reversal of 131396513 is 315693131.

It is a cyclic number.

It is not a de Polignac number, because 131396513 - 2¹⁶ = 131330977 is a prime.

It is a super-3 number, since 3×131396513³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131396513.

It is not an unprimeable number, because it can be changed into a prime (131396113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365828 + ... + 366186.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^131396513 is an apocalyptic number.

It is an amenable number.

131396513 is a deficient number, since it is larger than the sum of its proper divisors (6497887).

131396513 is a wasteful number, since it uses less digits than its factorization.

131396513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its digits is 7290, while the sum is 32.

The square root of 131396513 is about 11462.8318054484. The cubic root of 131396513 is about 508.3872068556.

The spelling of 131396513 in words is "one hundred thirty-one million, three hundred ninety-six thousand, five hundred thirteen".