131349612 has 24 divisors (see below), whose sum is σ = 306726336. Its totient is φ = 43748368.

The previous prime is 131349611. The next prime is 131349629. The reversal of 131349612 is 216943131.

It is a self number, because there is not a number n which added to its sum of digits gives 131349612.

It is not an unprimeable number, because it can be changed into a prime (131349611) 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, 14683 + ... + 21869.

It is an arithmetic number, because the mean of its divisors is an integer number (12780264).

Almost surely, 2^131349612 is an apocalyptic number.

131349612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131349612 is an abundant number, since it is smaller than the sum of its proper divisors (175376724).

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

131349612 is a wasteful number, since it uses less digits than its factorization.

131349612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717 (or 8715 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 131349612 is about 11460.7858369311. The cubic root of 131349612 is about 508.3267113235.

The spelling of 131349612 in words is "one hundred thirty-one million, three hundred forty-nine thousand, six hundred twelve".