131658272 has 12 divisors (see below), whose sum is σ = 259202286. Its totient is φ = 65829120.

The previous prime is 131658269. The next prime is 131658311. The reversal of 131658272 is 272856131.

It is a happy number.

131658272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107412496 + 24245776 = 10364^2 + 4924^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2057129 + ... + 2057192.

Almost surely, 2^131658272 is an apocalyptic number.

It is an amenable number.

131658272 is a deficient number, since it is larger than the sum of its proper divisors (127544014).

131658272 is an equidigital number, since it uses as much as digits as its factorization.

131658272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114331 (or 4114323 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 131658272 is about 11474.2438530824. The cubic root of 131658272 is about 508.7245741468.

The spelling of 131658272 in words is "one hundred thirty-one million, six hundred fifty-eight thousand, two hundred seventy-two".