131269672 has 8 divisors (see below), whose sum is σ = 246130650. Its totient is φ = 65634832.

The previous prime is 131269627. The next prime is 131269693. The reversal of 131269672 is 276962131.

It can be written as a sum of positive squares in only one way, i.e., 121572676 + 9696996 = 11026^2 + 3114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8204347 + ... + 8204362.

Almost surely, 2^131269672 is an apocalyptic number.

It is an amenable number.

131269672 is a deficient number, since it is larger than the sum of its proper divisors (114860978).

131269672 is a wasteful number, since it uses less digits than its factorization.

131269672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16408715 (or 16408711 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 131269672 is about 11457.2977616888. The cubic root of 131269672 is about 508.2235670427.

The spelling of 131269672 in words is "one hundred thirty-one million, two hundred sixty-nine thousand, six hundred seventy-two".