138619148696 has 64 divisors (see below), whose sum is σ = 301354836480. Its totient is φ = 58546172160.

The previous prime is 138619148687. The next prime is 138619148783. The reversal of 138619148696 is 696841916831.

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, 11353331 + ... + 11365533.

It is an arithmetic number, because the mean of its divisors is an integer number (4708669320).

Almost surely, 2^138619148696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138619148696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150677418240).

138619148696 is an abundant number, since it is smaller than the sum of its proper divisors (162735687784).

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

138619148696 is a wasteful number, since it uses less digits than its factorization.

138619148696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15144 (or 15140 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 62.

The spelling of 138619148696 in words is "one hundred thirty-eight billion, six hundred nineteen million, one hundred forty-eight thousand, six hundred ninety-six".