131277512 has 8 divisors (see below), whose sum is σ = 246145350. Its totient is φ = 65638752.

The previous prime is 131277511. The next prime is 131277527. The reversal of 131277512 is 215772131.

It can be written as a sum of positive squares in only one way, i.e., 85119076 + 46158436 = 9226^2 + 6794^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131277511) 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 as a sum of consecutive naturals, namely, 8204837 + ... + 8204852.

Almost surely, 2^131277512 is an apocalyptic number.

It is an amenable number.

131277512 is a deficient number, since it is larger than the sum of its proper divisors (114867838).

131277512 is a wasteful number, since it uses less digits than its factorization.

131277512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409695 (or 16409691 counting only the distinct ones).

The product of its digits is 2940, while the sum is 29.

The square root of 131277512 is about 11457.6398965930. The cubic root of 131277512 is about 508.2336846207.

The spelling of 131277512 in words is "one hundred thirty-one million, two hundred seventy-seven thousand, five hundred twelve".