131901704 has 32 divisors (see below), whose sum is σ = 270246240. Its totient is φ = 59856000.

The previous prime is 131901661. The next prime is 131901709. The reversal of 131901704 is 407109131.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (131901709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90179 + ... + 91629.

It is an arithmetic number, because the mean of its divisors is an integer number (8445195).

Almost surely, 2^131901704 is an apocalyptic number.

It is an amenable number.

131901704 is an abundant number, since it is smaller than the sum of its proper divisors (138344536).

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

131901704 is a wasteful number, since it uses less digits than its factorization.

131901704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 131901704 is about 11484.8467120811. The cubic root of 131901704 is about 509.0379196780.

The spelling of 131901704 in words is "one hundred thirty-one million, nine hundred one thousand, seven hundred four".