138332246507 has 96 divisors (see below), whose sum is σ = 192057592320. Its totient is φ = 96947435520.

The previous prime is 138332246501. The next prime is 138332246509. The reversal of 138332246507 is 705642233831.

It is a happy number.

138332246507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 138332246507 - 2⁴ = 138332246491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138332246501) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 62282657 + ... + 62284877.

It is an arithmetic number, because the mean of its divisors is an integer number (2000599920).

Almost surely, 2^138332246507 is an apocalyptic number.

138332246507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

138332246507 is a deficient number, since it is larger than the sum of its proper divisors (53725345813).

138332246507 is a wasteful number, since it uses less digits than its factorization.

138332246507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 138332246507 in words is "one hundred thirty-eight billion, three hundred thirty-two million, two hundred forty-six thousand, five hundred seven".