131346772 has 12 divisors (see below), whose sum is σ = 241954720. Its totient is φ = 62216856.

The previous prime is 131346769. The next prime is 131346779. The reversal of 131346772 is 277643131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131346779) 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 3 ways as a sum of consecutive naturals, for example, 864048 + ... + 864199.

Almost surely, 2^131346772 is an apocalyptic number.

It is an amenable number.

131346772 is a deficient number, since it is larger than the sum of its proper divisors (110607948).

131346772 is a wasteful number, since it uses less digits than its factorization.

131346772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728270 (or 1728268 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 131346772 is about 11460.6619355079. The cubic root of 131346772 is about 508.3230476703.

The spelling of 131346772 in words is "one hundred thirty-one million, three hundred forty-six thousand, seven hundred seventy-two".