138804777160 has 32 divisors (see below), whose sum is σ = 356926570560. Its totient is φ = 47590209216.

The previous prime is 138804777143. The next prime is 138804777173. The reversal of 138804777160 is 61777408831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 138804777098 and 138804777107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247865394 + ... + 247865953.

It is an arithmetic number, because the mean of its divisors is an integer number (11153955330).

Almost surely, 2^138804777160 is an apocalyptic number.

138804777160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138804777160 is an abundant number, since it is smaller than the sum of its proper divisors (218121793400).

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

138804777160 is a wasteful number, since it uses less digits than its factorization.

138804777160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495731365 (or 495731361 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 138804777160 in words is "one hundred thirty-eight billion, eight hundred four million, seven hundred seventy-seven thousand, one hundred sixty".