131357790 has 24 divisors (see below), whose sum is σ = 341530488. Its totient is φ = 35028720.

The previous prime is 131357789. The next prime is 131357843. The reversal of 131357790 is 97753131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729676 + ... + 729855.

It is an arithmetic number, because the mean of its divisors is an integer number (14230437).

Almost surely, 2^131357790 is an apocalyptic number.

131357790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131357790 is an abundant number, since it is smaller than the sum of its proper divisors (210172698).

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

131357790 is a wasteful number, since it uses less digits than its factorization.

131357790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459544 (or 1459541 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 36.

The square root of 131357790 is about 11461.1426131952. The cubic root of 131357790 is about 508.3372608016.

The spelling of 131357790 in words is "one hundred thirty-one million, three hundred fifty-seven thousand, seven hundred ninety".