131272457 has 8 divisors (see below), whose sum is σ = 134265600. Its totient is φ = 128287744.

The previous prime is 131272451. The next prime is 131272481. The reversal of 131272457 is 754272131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131272457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131272451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37769 + ... + 41097.

It is an arithmetic number, because the mean of its divisors is an integer number (16783200).

Almost surely, 2^131272457 is an apocalyptic number.

It is an amenable number.

131272457 is a deficient number, since it is larger than the sum of its proper divisors (2993143).

131272457 is an equidigital number, since it uses as much as digits as its factorization.

131272457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4215.

The product of its digits is 11760, while the sum is 32.

The square root of 131272457 is about 11457.4192993012. The cubic root of 131272457 is about 508.2271611519.

The spelling of 131272457 in words is "one hundred thirty-one million, two hundred seventy-two thousand, four hundred fifty-seven".