131159517434 has 24 divisors (see below), whose sum is σ = 216318264960. Its totient is φ = 59599310760.

The previous prime is 131159517421. The next prime is 131159517479. The reversal of 131159517434 is 434715951131.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705527 + ... + 871829.

It is an arithmetic number, because the mean of its divisors is an integer number (9013261040).

Almost surely, 2^131159517434 is an apocalyptic number.

131159517434 is a deficient number, since it is larger than the sum of its proper divisors (85158747526).

131159517434 is a wasteful number, since it uses less digits than its factorization.

131159517434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169586 (or 169575 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The spelling of 131159517434 in words is "one hundred thirty-one billion, one hundred fifty-nine million, five hundred seventeen thousand, four hundred thirty-four".