131402527842 has 24 divisors (see below), whose sum is σ = 277364897136. Its totient is φ = 41495534424.

The previous prime is 131402527829. The next prime is 131402527897. The reversal of 131402527842 is 248725204131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131402527842.

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, 30330828 + ... + 30335159.

It is an arithmetic number, because the mean of its divisors is an integer number (11556870714).

Almost surely, 2^131402527842 is an apocalyptic number.

131402527842 is an abundant number, since it is smaller than the sum of its proper divisors (145962369294).

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

131402527842 is a wasteful number, since it uses less digits than its factorization.

131402527842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60666030 (or 60666011 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 131402527842 in words is "one hundred thirty-one billion, four hundred two million, five hundred twenty-seven thousand, eight hundred forty-two".