131057500 has 60 divisors (see below), whose sum is σ = 327582640. Its totient is φ = 44928000.

The previous prime is 131057461. The next prime is 131057501. The reversal of 131057500 is 5750131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131057501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13756 + ... + 21244.

Almost surely, 2^131057500 is an apocalyptic number.

131057500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131057500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163791320).

131057500 is an abundant number, since it is smaller than the sum of its proper divisors (196525140).

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

131057500 is an equidigital number, since it uses as much as digits as its factorization.

131057500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 7503 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 131057500 is about 11448.0347658452. The cubic root of 131057500 is about 507.9496043999.

The spelling of 131057500 in words is "one hundred thirty-one million, fifty-seven thousand, five hundred".