139935388031998 has 32 divisors (see below), whose sum is σ = 231906837034656. Its totient is φ = 62933350007808.

The previous prime is 139935388031981. The next prime is 139935388032001. The reversal of 139935388031998 is 899130883539931.

It is a congruent number.

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, 443985915 + ... + 444300982.

It is an arithmetic number, because the mean of its divisors is an integer number (7247088657333).

Almost surely, 2^{139935388031998} is an apocalyptic number.

139935388031998 is a deficient number, since it is larger than the sum of its proper divisors (91971449002658).

139935388031998 is a wasteful number, since it uses less digits than its factorization.

139935388031998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888287068.

The product of its (nonzero) digits is 1360488960, while the sum is 79.

The spelling of 139935388031998 in words is "one hundred thirty-nine trillion, nine hundred thirty-five billion, three hundred eighty-eight million, thirty-one thousand, nine hundred ninety-eight".