131562944906 has 8 divisors (see below), whose sum is σ = 200047765764. Its totient is φ = 64880356320.

The previous prime is 131562944857. The next prime is 131562944921. The reversal of 131562944906 is 609449265131.

It can be written as a sum of positive squares in 2 ways, for example, as 130074914281 + 1488030625 = 360659^2 + 38575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450557885 + ... + 450558176.

Almost surely, 2^131562944906 is an apocalyptic number.

131562944906 is a deficient number, since it is larger than the sum of its proper divisors (68484820858).

131562944906 is an equidigital number, since it uses as much as digits as its factorization.

131562944906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901116136.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 131562944906 in words is "one hundred thirty-one billion, five hundred sixty-two million, nine hundred forty-four thousand, nine hundred six".