138882501390 has 32 divisors (see below), whose sum is σ = 344070199296. Its totient is φ = 35840645280.

The previous prime is 138882501379. The next prime is 138882501451. The reversal of 138882501390 is 93105288831.

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, 74667082 + ... + 74668941.

It is an arithmetic number, because the mean of its divisors is an integer number (10752193728).

Almost surely, 2^138882501390 is an apocalyptic number.

138882501390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138882501390 is an abundant number, since it is smaller than the sum of its proper divisors (205187697906).

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

138882501390 is a wasteful number, since it uses less digits than its factorization.

138882501390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149336064.

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 138882501390 in words is "one hundred thirty-eight billion, eight hundred eighty-two million, five hundred one thousand, three hundred ninety".