131434772 has 24 divisors (see below), whose sum is σ = 267328320. Its totient is φ = 55373760.

The previous prime is 131434759. The next prime is 131434777. The reversal of 131434772 is 277434131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434777) 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 7 ways as a sum of consecutive naturals, for example, 38129 + ... + 41432.

It is an arithmetic number, because the mean of its divisors is an integer number (11138680).

Almost surely, 2^131434772 is an apocalyptic number.

It is an amenable number.

131434772 is an abundant number, since it is smaller than the sum of its proper divisors (135893548).

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

131434772 is a wasteful number, since it uses less digits than its factorization.

131434772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79631 (or 79629 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 131434772 is about 11464.5005124515. The cubic root of 131434772 is about 508.4365447926.

The spelling of 131434772 in words is "one hundred thirty-one million, four hundred thirty-four thousand, seven hundred seventy-two".