131579547316 has 36 divisors (see below), whose sum is σ = 268533229188. Its totient is φ = 56249157888.

The previous prime is 131579547287. The next prime is 131579547317. The reversal of 131579547316 is 613745975131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60368490000 + 71211057316 = 245700^2 + 266854^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131579547317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 767685 + ... + 923308.

Almost surely, 2^131579547316 is an apocalyptic number.

It is an amenable number.

131579547316 is an abundant number, since it is smaller than the sum of its proper divisors (136953681872).

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

131579547316 is a wasteful number, since it uses less digits than its factorization.

131579547316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691408 (or 1691399 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 52.

The spelling of 131579547316 in words is "one hundred thirty-one billion, five hundred seventy-nine million, five hundred forty-seven thousand, three hundred sixteen".