138371811654 has 8 divisors (see below), whose sum is σ = 276743623320. Its totient is φ = 46123937216.

The previous prime is 138371811623. The next prime is 138371811659. The reversal of 138371811654 is 456118173831.

It is a sphenic number, since it is the product of 3 distinct primes.

138371811654 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138371811659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11530984299 + ... + 11530984310.

It is an arithmetic number, because the mean of its divisors is an integer number (34592952915).

Almost surely, 2^138371811654 is an apocalyptic number.

138371811654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138371811654 is a wasteful number, since it uses less digits than its factorization.

138371811654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061968614.

The product of its digits is 483840, while the sum is 48.

The spelling of 138371811654 in words is "one hundred thirty-eight billion, three hundred seventy-one million, eight hundred eleven thousand, six hundred fifty-four".