138835559112 has 16 divisors (see below), whose sum is σ = 347088897840. Its totient is φ = 46278519696.

The previous prime is 138835559101. The next prime is 138835559173. The reversal of 138835559112 is 211955538831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892407458 + ... + 2892407505.

It is an arithmetic number, because the mean of its divisors is an integer number (21693056115).

Almost surely, 2^138835559112 is an apocalyptic number.

138835559112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

138835559112 is an abundant number, since it is smaller than the sum of its proper divisors (208253338728).

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

138835559112 is a wasteful number, since it uses less digits than its factorization.

138835559112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784814972 (or 5784814968 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 51.

The spelling of 138835559112 in words is "one hundred thirty-eight billion, eight hundred thirty-five million, five hundred fifty-nine thousand, one hundred twelve".