131438858553 has 12 divisors (see below), whose sum is σ = 189884950528. Its totient is φ = 87612603480.

The previous prime is 131438858527. The next prime is 131438858587. The reversal of 131438858553 is 355858834131.

131438858553 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 8 + 8 + 585 + 53 = 666.

It is not a de Polignac number, because 131438858553 - 2⁶ = 131438858489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131438858553.

It is not an unprimeable number, because it can be changed into a prime (131438858513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045753 + ... + 1164678.

Almost surely, 2^131438858553 is an apocalyptic number.

It is an amenable number.

131438858553 is a deficient number, since it is larger than the sum of its proper divisors (58446091975).

131438858553 is a wasteful number, since it uses less digits than its factorization.

131438858553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217044 (or 2217041 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 131438858553 in words is "one hundred thirty-one billion, four hundred thirty-eight million, eight hundred fifty-eight thousand, five hundred fifty-three".