138726023000 has 64 divisors (see below), whose sum is σ = 335090545920. Its totient is φ = 53700384000.

The previous prime is 138726022999. The next prime is 138726023011. The reversal of 138726023000 is 320627831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2206517 + ... + 2268516.

It is an arithmetic number, because the mean of its divisors is an integer number (5235789780).

Almost surely, 2^138726023000 is an apocalyptic number.

138726023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138726023000 is an abundant number, since it is smaller than the sum of its proper divisors (196364522920).

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

138726023000 is a wasteful number, since it uses less digits than its factorization.

138726023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4475085 (or 4475071 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 138726023000 in words is "one hundred thirty-eight billion, seven hundred twenty-six million, twenty-three thousand".