138987879614 has 8 divisors (see below), whose sum is σ = 209760849480. Its totient is φ = 69067596456.

The previous prime is 138987879577. The next prime is 138987879637. The reversal of 138987879614 is 416978789831.

138987879614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 213171269 + ... + 213171920.

It is an arithmetic number, because the mean of its divisors is an integer number (26220106185).

Almost surely, 2^138987879614 is an apocalyptic number.

138987879614 is a deficient number, since it is larger than the sum of its proper divisors (70772969866).

138987879614 is a wasteful number, since it uses less digits than its factorization.

138987879614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426343354.

The product of its digits is 146313216, while the sum is 71.

The spelling of 138987879614 in words is "one hundred thirty-eight billion, nine hundred eighty-seven million, eight hundred seventy-nine thousand, six hundred fourteen".