131589894042 has 24 divisors (see below), whose sum is σ = 291741937344. Its totient is φ = 42843221064.

The previous prime is 131589894011. The next prime is 131589894071. The reversal of 131589894042 is 240498985131.

It is a happy number.

131589894042 is a `hidden beast` number, since 1 + 3 + 158 + 9 + 89 + 404 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 131589894042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85005618 + ... + 85007165.

It is an arithmetic number, because the mean of its divisors is an integer number (12155914056).

Almost surely, 2^131589894042 is an apocalyptic number.

131589894042 is an abundant number, since it is smaller than the sum of its proper divisors (160152043302).

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

131589894042 is a wasteful number, since it uses less digits than its factorization.

131589894042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170012834 (or 170012831 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 131589894042 in words is "one hundred thirty-one billion, five hundred eighty-nine million, eight hundred ninety-four thousand, forty-two".