138002729039 has 32 divisors (see below), whose sum is σ = 162625222656. Its totient is φ = 114672983040.

The previous prime is 138002729023. The next prime is 138002729087. The reversal of 138002729039 is 930927200831.

It is a happy number.

It is not a de Polignac number, because 138002729039 - 2⁴ = 138002729023 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 (138002729239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12221054 + ... + 12232340.

It is an arithmetic number, because the mean of its divisors is an integer number (5082038208).

Almost surely, 2^138002729039 is an apocalyptic number.

138002729039 is a deficient number, since it is larger than the sum of its proper divisors (24622493617).

138002729039 is a wasteful number, since it uses less digits than its factorization.

138002729039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11775.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 138002729039 in words is "one hundred thirty-eight billion, two million, seven hundred twenty-nine thousand, thirty-nine".