138167927039 has 4 divisors (see below), whose sum is σ = 138170204256. Its totient is φ = 138165649824.

The previous prime is 138167926889. The next prime is 138167927111. The reversal of 138167927039 is 930729761831.

138167927039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138167927039 - 2³² = 133872959743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138160927039) 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 3 ways as a sum of consecutive naturals, for example, 1045034 + ... + 1169799.

It is an arithmetic number, because the mean of its divisors is an integer number (34542551064).

Almost surely, 2^138167927039 is an apocalyptic number.

138167927039 is a deficient number, since it is larger than the sum of its proper divisors (2277217).

138167927039 is an equidigital number, since it uses as much as digits as its factorization.

138167927039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277216.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 138167927039 in words is "one hundred thirty-eight billion, one hundred sixty-seven million, nine hundred twenty-seven thousand, thirty-nine".