138739102322 has 18 divisors (see below), whose sum is σ = 221084708103. Its totient is φ = 65284775232.

The previous prime is 138739102319. The next prime is 138739102363. The reversal of 138739102322 is 223201937831.

138739102322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 33269395201 + 105469707121 = 182399^2 + 324761^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=263381.

It is a super-4 number, since 4×138739102322⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138739102322.

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 8 ways as a sum of consecutive naturals, for example, 8947208 + ... + 8962700.

Almost surely, 2^138739102322 is an apocalyptic number.

138739102322 is a deficient number, since it is larger than the sum of its proper divisors (82345605781).

138739102322 is an frugal number, since it uses more digits than its factorization.

138739102322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31022 (or 15512 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 138739102322 in words is "one hundred thirty-eight billion, seven hundred thirty-nine million, one hundred two thousand, three hundred twenty-two".