138576920000 has 70 divisors (see below), whose sum is σ = 343625823288. Its totient is φ = 55430752000.

The previous prime is 138576919981. The next prime is 138576920021. The reversal of 138576920000 is 29675831.

It is a self number, because there is not a number n which added to its sum of digits gives 138576920000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1692212 + ... + 1772211.

Almost surely, 2^138576920000 is an apocalyptic number.

138576920000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138576920000 is an abundant number, since it is smaller than the sum of its proper divisors (205048903288).

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

138576920000 is an frugal number, since it uses more digits than its factorization.

138576920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464455 (or 3464430 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 138576920000 in words is "one hundred thirty-eight billion, five hundred seventy-six million, nine hundred twenty thousand".