131345272 has 16 divisors (see below), whose sum is σ = 256980240. Its totient is φ = 62817216.

The previous prime is 131345267. The next prime is 131345287. The reversal of 131345272 is 272543131.

It is a self number, because there is not a number n which added to its sum of digits gives 131345272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356733 + ... + 357100.

It is an arithmetic number, because the mean of its divisors is an integer number (16061265).

Almost surely, 2^131345272 is an apocalyptic number.

It is an amenable number.

131345272 is a deficient number, since it is larger than the sum of its proper divisors (125634968).

131345272 is a wasteful number, since it uses less digits than its factorization.

131345272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713862 (or 713858 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 131345272 is about 11460.5964940748. The cubic root of 131345272 is about 508.3211126209.

The spelling of 131345272 in words is "one hundred thirty-one million, three hundred forty-five thousand, two hundred seventy-two".