131875284 has 24 divisors (see below), whose sum is σ = 321088320. Its totient is φ = 42047104.

The previous prime is 131875231. The next prime is 131875319. The reversal of 131875284 is 482578131.

131875284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238629 + ... + 239180.

It is an arithmetic number, because the mean of its divisors is an integer number (13378680).

Almost surely, 2^131875284 is an apocalyptic number.

It is an amenable number.

131875284 is an abundant number, since it is smaller than the sum of its proper divisors (189213036).

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

131875284 is a wasteful number, since it uses less digits than its factorization.

131875284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477839 (or 477837 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 131875284 is about 11483.6964432190. The cubic root of 131875284 is about 509.0039305293.

The spelling of 131875284 in words is "one hundred thirty-one million, eight hundred seventy-five thousand, two hundred eighty-four".