138587060730 has 16 divisors (see below), whose sum is σ = 332608945824. Its totient is φ = 36956549520.

The previous prime is 138587060719. The next prime is 138587060761. The reversal of 138587060730 is 37060785831.

138587060730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 138587060730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309784316 + ... + 2309784375.

It is an arithmetic number, because the mean of its divisors is an integer number (20788059114).

Almost surely, 2^138587060730 is an apocalyptic number.

138587060730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138587060730 is an abundant number, since it is smaller than the sum of its proper divisors (194021885094).

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

138587060730 is a wasteful number, since it uses less digits than its factorization.

138587060730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619568701.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 138587060730 in words is "one hundred thirty-eight billion, five hundred eighty-seven million, sixty thousand, seven hundred thirty".