131884613 has 16 divisors (see below), whose sum is σ = 155361024. Its totient is φ = 109589760.

The previous prime is 131884603. The next prime is 131884639. The reversal of 131884613 is 316488131.

It is not a de Polignac number, because 131884613 - 2²⁰ = 130836037 is a prime.

It is a super-2 number, since 2×131884613² = 34787102292319538, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131884603) 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, 86528 + ... + 88038.

It is an arithmetic number, because the mean of its divisors is an integer number (9710064).

Almost surely, 2^131884613 is an apocalyptic number.

It is an amenable number.

131884613 is a deficient number, since it is larger than the sum of its proper divisors (23476411).

131884613 is a wasteful number, since it uses less digits than its factorization.

131884613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its digits is 13824, while the sum is 35.

The square root of 131884613 is about 11484.1026205795. The cubic root of 131884613 is about 509.0159327422.

The spelling of 131884613 in words is "one hundred thirty-one million, eight hundred eighty-four thousand, six hundred thirteen".