131144672 has 12 divisors (see below), whose sum is σ = 258191136. Its totient is φ = 65572320.

The previous prime is 131144653. The next prime is 131144677. The reversal of 131144672 is 276441131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131144677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049104 + ... + 2049167.

It is an arithmetic number, because the mean of its divisors is an integer number (21515928).

Almost surely, 2^131144672 is an apocalyptic number.

It is an amenable number.

131144672 is a deficient number, since it is larger than the sum of its proper divisors (127046464).

131144672 is an equidigital number, since it uses as much as digits as its factorization.

131144672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098281 (or 4098273 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 131144672 is about 11451.8414239807. The cubic root of 131144672 is about 508.0621991751.

The spelling of 131144672 in words is "one hundred thirty-one million, one hundred forty-four thousand, six hundred seventy-two".