131264272 has 10 divisors (see below), whose sum is σ = 254324558. Its totient is φ = 65632128.

The previous prime is 131264257. The next prime is 131264299. The reversal of 131264272 is 272462131.

It can be written as a sum of positive squares in only one way, i.e., 131239936 + 24336 = 11456^2 + 156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131264272.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101993 + ... + 4102024.

Almost surely, 2^131264272 is an apocalyptic number.

It is an amenable number.

131264272 is a deficient number, since it is larger than the sum of its proper divisors (123060286).

131264272 is an equidigital number, since it uses as much as digits as its factorization.

131264272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204025 (or 8204019 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 131264272 is about 11457.0621016035. The cubic root of 131264272 is about 508.2165980684.

The spelling of 131264272 in words is "one hundred thirty-one million, two hundred sixty-four thousand, two hundred seventy-two".