138762932140 has 96 divisors (see below), whose sum is σ = 353923928064. Its totient is φ = 44611845120.

The previous prime is 138762932137. The next prime is 138762932153. The reversal of 138762932140 is 41239267831.

138762932140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 537409 + ... + 752551.

It is an arithmetic number, because the mean of its divisors is an integer number (3686707584).

Almost surely, 2^138762932140 is an apocalyptic number.

138762932140 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 138762932140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176961964032).

138762932140 is an abundant number, since it is smaller than the sum of its proper divisors (215160995924).

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

138762932140 is a wasteful number, since it uses less digits than its factorization.

138762932140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215447 (or 215445 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 138762932140 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, nine hundred thirty-two thousand, one hundred forty".