131352500 has 30 divisors (see below), whose sum is σ = 287247114. Its totient is φ = 52540000.

The previous prime is 131352439. The next prime is 131352509. The reversal of 131352500 is 5253131.

It can be written as a sum of positive squares in 5 ways, for example, as 13586596 + 117765904 = 3686^2 + 10852^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131352509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23771 + ... + 28770.

Almost surely, 2^131352500 is an apocalyptic number.

131352500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131352500 is an abundant number, since it is smaller than the sum of its proper divisors (155894614).

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

131352500 is an equidigital number, since it uses as much as digits as its factorization.

131352500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52565 (or 52548 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131352500 is about 11460.9118310892. The cubic root of 131352500 is about 508.3304368434.

The spelling of 131352500 in words is "one hundred thirty-one million, three hundred fifty-two thousand, five hundred".