131994693258 has 32 divisors (see below), whose sum is σ = 267371228160. Its totient is φ = 43434758640.

The previous prime is 131994693203. The next prime is 131994693289. The reversal of 131994693258 is 852396499131.

131994693258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913141 + ... + 3946727.

It is an arithmetic number, because the mean of its divisors is an integer number (8355350880).

Almost surely, 2^131994693258 is an apocalyptic number.

131994693258 is an abundant number, since it is smaller than the sum of its proper divisors (135376534902).

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

131994693258 is a wasteful number, since it uses less digits than its factorization.

131994693258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41962.

The product of its digits is 12597120, while the sum is 60.

The spelling of 131994693258 in words is "one hundred thirty-one billion, nine hundred ninety-four million, six hundred ninety-three thousand, two hundred fifty-eight".