131896513 has 16 divisors (see below), whose sum is σ = 157925376. Its totient is φ = 107704080.

The previous prime is 131896507. The next prime is 131896529. The reversal of 131896513 is 315698131.

It is a cyclic number.

It is not a de Polignac number, because 131896513 - 2⁵ = 131896481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131846513) 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, 42120 + ... + 45142.

It is an arithmetic number, because the mean of its divisors is an integer number (9870336).

Almost surely, 2^131896513 is an apocalyptic number.

It is an amenable number.

131896513 is a deficient number, since it is larger than the sum of its proper divisors (26028863).

131896513 is a wasteful number, since it uses less digits than its factorization.

131896513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 19440, while the sum is 37.

The square root of 131896513 is about 11484.6207164190. The cubic root of 131896513 is about 509.0312418504.

The spelling of 131896513 in words is "one hundred thirty-one million, eight hundred ninety-six thousand, five hundred thirteen".