138047109338460 has 96 divisors (see below), whose sum is σ = 467736088135680. Its totient is φ = 29697529402368.

The previous prime is 138047109338447. The next prime is 138047109338471. The reversal of 138047109338460 is 64833901740831.

It is a self number, because there is not a number n which added to its sum of digits gives 138047109338460.

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, 9667157380 + ... + 9667171659.

It is an arithmetic number, because the mean of its divisors is an integer number (4872250918080).

Almost surely, 2^{138047109338460} is an apocalyptic number.

138047109338460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138047109338460 is an abundant number, since it is smaller than the sum of its proper divisors (329688978797220).

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

138047109338460 is a wasteful number, since it uses less digits than its factorization.

138047109338460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334329075 (or 19334329073 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 138047109338460 in words is "one hundred thirty-eight trillion, forty-seven billion, one hundred nine million, three hundred thirty-eight thousand, four hundred sixty".