131402634087 has 32 divisors (see below), whose sum is σ = 187424520192. Its totient is φ = 81598616064.

The previous prime is 131402634061. The next prime is 131402634149. The reversal of 131402634087 is 780436204131.

It is not a de Polignac number, because 131402634087 - 2¹⁶ = 131402568551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402634007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9853218 + ... + 9866544.

It is an arithmetic number, because the mean of its divisors is an integer number (5857016256).

Almost surely, 2^131402634087 is an apocalyptic number.

131402634087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

131402634087 is a deficient number, since it is larger than the sum of its proper divisors (56021886105).

131402634087 is a wasteful number, since it uses less digits than its factorization.

131402634087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 131402634087 in words is "one hundred thirty-one billion, four hundred two million, six hundred thirty-four thousand, eighty-seven".