138877299115 has 8 divisors (see below), whose sum is σ = 168935673888. Its totient is φ = 109579896000.

The previous prime is 138877299109. The next prime is 138877299139. The reversal of 138877299115 is 511992778831.

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

It is not a de Polignac number, because 138877299115 - 2⁵ = 138877299083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190242511 + ... + 190243240.

It is an arithmetic number, because the mean of its divisors is an integer number (21116959236).

Almost surely, 2^138877299115 is an apocalyptic number.

138877299115 is a deficient number, since it is larger than the sum of its proper divisors (30058374773).

138877299115 is an equidigital number, since it uses as much as digits as its factorization.

138877299115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380485829.

The product of its digits is 7620480, while the sum is 61.

The spelling of 138877299115 in words is "one hundred thirty-eight billion, eight hundred seventy-seven million, two hundred ninety-nine thousand, one hundred fifteen".