131177272 has 24 divisors (see below), whose sum is σ = 248091840. Its totient is φ = 65022560.

The previous prime is 131177269. The next prime is 131177281. The reversal of 131177272 is 272771131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447558 + ... + 447850.

It is an arithmetic number, because the mean of its divisors is an integer number (10337160).

Almost surely, 2^131177272 is an apocalyptic number.

It is an amenable number.

131177272 is a deficient number, since it is larger than the sum of its proper divisors (116914568).

131177272 is an equidigital number, since it uses as much as digits as its factorization.

131177272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 486 counting only the distinct ones).

The product of its digits is 4116, while the sum is 31.

The square root of 131177272 is about 11453.2646874155. The cubic root of 131177272 is about 508.1042937954.

The spelling of 131177272 in words is "one hundred thirty-one million, one hundred seventy-seven thousand, two hundred seventy-two".