131056028390 has 16 divisors (see below), whose sum is σ = 269600972832. Its totient is φ = 44933495424.

The previous prime is 131056028371. The next prime is 131056028399. The reversal of 131056028390 is 93820650131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131056028399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936114419 + ... + 936114558.

It is an arithmetic number, because the mean of its divisors is an integer number (16850060802).

Almost surely, 2^131056028390 is an apocalyptic number.

131056028390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131056028390 is an abundant number, since it is smaller than the sum of its proper divisors (138544944442).

131056028390 is a wasteful number, since it uses less digits than its factorization.

131056028390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872228991.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 131056028390 in words is "one hundred thirty-one billion, fifty-six million, twenty-eight thousand, three hundred ninety".