131234090 has 32 divisors (see below), whose sum is σ = 265458816. Its totient is φ = 46347840.

The previous prime is 131234087. The next prime is 131234093. The reversal of 131234090 is 90432131.

131234090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (131234087) and next prime (131234093).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131234093) 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, 18956 + ... + 24935.

It is an arithmetic number, because the mean of its divisors is an integer number (8295588).

Almost surely, 2^131234090 is an apocalyptic number.

131234090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131234090 is an abundant number, since it is smaller than the sum of its proper divisors (134224726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131234090 is a wasteful number, since it uses less digits than its factorization.

131234090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43934.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 131234090 is about 11455.7448470189. The cubic root of 131234090 is about 508.1776431446.

The spelling of 131234090 in words is "one hundred thirty-one million, two hundred thirty-four thousand, ninety".