138029912051 has 2 divisors, whose sum is σ = 138029912052. Its totient is φ = 138029912050.

The previous prime is 138029912021. The next prime is 138029912063. The reversal of 138029912051 is 150219920831.

138029912051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138029912051 - 2³⁰ = 136956170227 is a prime.

It is not a weakly prime, because it can be changed into another prime (138029912011) 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 as a sum of consecutive naturals, namely, 69014956025 + 69014956026.

It is an arithmetic number, because the mean of its divisors is an integer number (69014956026).

Almost surely, 2^138029912051 is an apocalyptic number.

138029912051 is a deficient number, since it is larger than the sum of its proper divisors (1).

138029912051 is an equidigital number, since it uses as much as digits as its factorization.

138029912051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 138029912051 in words is "one hundred thirty-eight billion, twenty-nine million, nine hundred twelve thousand, fifty-one".