131534135372 has 24 divisors (see below), whose sum is σ = 232692205872. Its totient is φ = 65051928000.

The previous prime is 131534135329. The next prime is 131534135387. The reversal of 131534135372 is 273531435131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253043 + ... + 571925.

It is an arithmetic number, because the mean of its divisors is an integer number (9695508578).

Almost surely, 2^131534135372 is an apocalyptic number.

It is an amenable number.

131534135372 is a deficient number, since it is larger than the sum of its proper divisors (101158070500).

131534135372 is a wasteful number, since it uses less digits than its factorization.

131534135372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320009 (or 320007 counting only the distinct ones).

The product of its digits is 113400, while the sum is 38.

The spelling of 131534135372 in words is "one hundred thirty-one billion, five hundred thirty-four million, one hundred thirty-five thousand, three hundred seventy-two".