138616299215 has 8 divisors (see below), whose sum is σ = 166499661120. Its totient is φ = 110786304672.

The previous prime is 138616299193. The next prime is 138616299229. The reversal of 138616299215 is 512992616831.

138616299215 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138616299215 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 13336124 + ... + 13346513.

It is an arithmetic number, because the mean of its divisors is an integer number (20812457640).

Almost surely, 2^138616299215 is an apocalyptic number.

138616299215 is a deficient number, since it is larger than the sum of its proper divisors (27883361905).

138616299215 is a wasteful number, since it uses less digits than its factorization.

138616299215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26683681.

The product of its digits is 1399680, while the sum is 53.

The spelling of 138616299215 in words is "one hundred thirty-eight billion, six hundred sixteen million, two hundred ninety-nine thousand, two hundred fifteen".