138596322208 has 48 divisors (see below), whose sum is σ = 279789479424. Its totient is φ = 67560007680.

The previous prime is 138596322203. The next prime is 138596322253. The reversal of 138596322208 is 802223695831.

It is a happy number.

138596322208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (138596322203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125248 + ... + 541183.

It is an arithmetic number, because the mean of its divisors is an integer number (5828947488).

Almost surely, 2^138596322208 is an apocalyptic number.

It is an amenable number.

138596322208 is an abundant number, since it is smaller than the sum of its proper divisors (141193157216).

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

138596322208 is an equidigital number, since it uses as much as digits as its factorization.

138596322208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666605 (or 666597 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 138596322208 in words is "one hundred thirty-eight billion, five hundred ninety-six million, three hundred twenty-two thousand, two hundred eight".