131902790 has 8 divisors (see below), whose sum is σ = 237425040. Its totient is φ = 52761112.

The previous prime is 131902763. The next prime is 131902843. The reversal of 131902790 is 97209131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6595130 + ... + 6595149.

It is an arithmetic number, because the mean of its divisors is an integer number (29678130).

Almost surely, 2^131902790 is an apocalyptic number.

131902790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131902790 is a deficient number, since it is larger than the sum of its proper divisors (105522250).

131902790 is a wasteful number, since it uses less digits than its factorization.

131902790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190286.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 131902790 is about 11484.8939916745. The cubic root of 131902790 is about 509.0393167124.

The spelling of 131902790 in words is "one hundred thirty-one million, nine hundred two thousand, seven hundred ninety".