138463216322 has 6 divisors (see below), whose sum is σ = 207695613843. Its totient is φ = 69231345042.

The previous prime is 138463216303. The next prime is 138463216351. The reversal of 138463216322 is 223612364831.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69231608161 + 69231608161 = 263119^2 + 263119^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=263119.

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 138463216322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 394679 + ... + 657797.

Almost surely, 2^138463216322 is an apocalyptic number.

138463216322 is a deficient number, since it is larger than the sum of its proper divisors (69232397521).

138463216322 is an frugal number, since it uses more digits than its factorization.

138463216322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526240 (or 263121 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The spelling of 138463216322 in words is "one hundred thirty-eight billion, four hundred sixty-three million, two hundred sixteen thousand, three hundred twenty-two".