131185238 has 8 divisors (see below), whose sum is σ = 205333488. Its totient is φ = 62740744.

The previous prime is 131185181. The next prime is 131185247. The reversal of 131185238 is 832581131.

131185238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1425881 + ... + 1425972.

It is an arithmetic number, because the mean of its divisors is an integer number (25666686).

Almost surely, 2^131185238 is an apocalyptic number.

131185238 is a deficient number, since it is larger than the sum of its proper divisors (74148250).

131185238 is a wasteful number, since it uses less digits than its factorization.

131185238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851878.

The product of its digits is 5760, while the sum is 32.

The square root of 131185238 is about 11453.6124432425. The cubic root of 131185238 is about 508.1145788008.

The spelling of 131185238 in words is "one hundred thirty-one million, one hundred eighty-five thousand, two hundred thirty-eight".