131442774544 has 20 divisors (see below), whose sum is σ = 254808316224. Its totient is φ = 65685789728.

The previous prime is 131442774527. The next prime is 131442774559. The reversal of 131442774544 is 445477244131.

It is a junction number, because it is equal to n+sod(n) for n = 131442774494 and 131442774503.

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, 2194372 + ... + 2253475.

Almost surely, 2^131442774544 is an apocalyptic number.

It is an amenable number.

131442774544 is a deficient number, since it is larger than the sum of its proper divisors (123365541680).

131442774544 is a wasteful number, since it uses less digits than its factorization.

131442774544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449702 (or 4449696 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 46.

The spelling of 131442774544 in words is "one hundred thirty-one billion, four hundred forty-two million, seven hundred seventy-four thousand, five hundred forty-four".