131933790 has 24 divisors (see below), whose sum is σ = 343028088. Its totient is φ = 35182320.

The previous prime is 131933783. The next prime is 131933827. The reversal of 131933790 is 97339131.

131933790 is a `hidden beast` number, since 1 + 319 + 337 + 9 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 732876 + ... + 733055.

It is an arithmetic number, because the mean of its divisors is an integer number (14292837).

Almost surely, 2^131933790 is an apocalyptic number.

131933790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131933790 is an abundant number, since it is smaller than the sum of its proper divisors (211094298).

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

131933790 is a wasteful number, since it uses less digits than its factorization.

131933790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465944 (or 1465941 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 36.

The square root of 131933790 is about 11486.2435112616. The cubic root of 131933790 is about 509.0791919942.

The spelling of 131933790 in words is "one hundred thirty-one million, nine hundred thirty-three thousand, seven hundred ninety".