131272260 has 48 divisors (see below), whose sum is σ = 420072576. Its totient is φ = 30004992.

The previous prime is 131272243. The next prime is 131272261. The reversal of 131272260 is 62272131.

It is a self number, because there is not a number n which added to its sum of digits gives 131272260.

It is not an unprimeable number, because it can be changed into a prime (131272261) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 155857 + ... + 156696.

It is an arithmetic number, because the mean of its divisors is an integer number (8751512).

Almost surely, 2^131272260 is an apocalyptic number.

131272260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131272260 is an abundant number, since it is smaller than the sum of its proper divisors (288800316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131272260 is a wasteful number, since it uses less digits than its factorization.

131272260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312572 (or 312570 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 131272260 is about 11457.4107022486. The cubic root of 131272260 is about 508.2269069204.

The spelling of 131272260 in words is "one hundred thirty-one million, two hundred seventy-two thousand, two hundred sixty".