138882756727 has 16 divisors (see below), whose sum is σ = 163224133632. Its totient is φ = 116501274720.

The previous prime is 138882756707. The next prime is 138882756731. The reversal of 138882756727 is 727657288831.

It is a cyclic number.

It is not a de Polignac number, because 138882756727 - 2²³ = 138874368119 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 (138882756707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203518 + ... + 564964.

It is an arithmetic number, because the mean of its divisors is an integer number (10201508352).

Almost surely, 2^138882756727 is an apocalyptic number.

138882756727 is a deficient number, since it is larger than the sum of its proper divisors (24341376905).

138882756727 is a wasteful number, since it uses less digits than its factorization.

138882756727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364158.

The product of its digits is 63221760, while the sum is 64.

The spelling of 138882756727 in words is "one hundred thirty-eight billion, eight hundred eighty-two million, seven hundred fifty-six thousand, seven hundred twenty-seven".