139777118205 has 32 divisors (see below), whose sum is σ = 229200330240. Its totient is φ = 72697105920.

The previous prime is 139777118179. The next prime is 139777118213. The reversal of 139777118205 is 502811777931.

It is not a de Polignac number, because 139777118205 - 2¹² = 139777114109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1360636 + ... + 1459754.

It is an arithmetic number, because the mean of its divisors is an integer number (7162510320).

Almost surely, 2^139777118205 is an apocalyptic number.

139777118205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139777118205 is a deficient number, since it is larger than the sum of its proper divisors (89423212035).

139777118205 is a wasteful number, since it uses less digits than its factorization.

139777118205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101461.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 139777118205 in words is "one hundred thirty-nine billion, seven hundred seventy-seven million, one hundred eighteen thousand, two hundred five".