138589315200 has 1728 divisors, whose sum is σ = 627323598720. Its totient is φ = 29561241600.

The previous prime is 138589315157. The next prime is 138589315211. The reversal of 138589315200 is 2513985831.

138589315200 is a `hidden beast` number, since 1 + 38 + 5 + 8 + 93 + 1 + 520 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 3380227180 + ... + 3380227220.

It is an arithmetic number, because the mean of its divisors is an integer number (363034490).

Almost surely, 2^138589315200 is an apocalyptic number.

138589315200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138589315200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313661799360).

138589315200 is an abundant number, since it is smaller than the sum of its proper divisors (488734283520).

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

138589315200 is an frugal number, since it uses more digits than its factorization.

138589315200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 138589315200 in words is "one hundred thirty-eight billion, five hundred eighty-nine million, three hundred fifteen thousand, two hundred".