131185484 has 12 divisors (see below), whose sum is σ = 232341144. Its totient is φ = 64802304.

The previous prime is 131185469. The next prime is 131185487. The reversal of 131185484 is 484581131.

It is not an unprimeable number, because it can be changed into a prime (131185487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197237 + ... + 197900.

It is an arithmetic number, because the mean of its divisors is an integer number (19361762).

Almost surely, 2^131185484 is an apocalyptic number.

It is an amenable number.

131185484 is a deficient number, since it is larger than the sum of its proper divisors (101155660).

131185484 is a wasteful number, since it uses less digits than its factorization.

131185484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395224 (or 395222 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 131185484 is about 11453.6231822075. The cubic root of 131185484 is about 508.1148964080.

The spelling of 131185484 in words is "one hundred thirty-one million, one hundred eighty-five thousand, four hundred eighty-four".