138735290038 has 16 divisors (see below), whose sum is σ = 220351186944. Its totient is φ = 65285150080.

The previous prime is 138735290027. The next prime is 138735290039. The reversal of 138735290038 is 830092537831.

It is a junction number, because it is equal to n+sod(n) for n = 138735289973 and 138735290000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138735290039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067531 + ... + 2133577.

It is an arithmetic number, because the mean of its divisors is an integer number (13771949184).

Almost surely, 2^138735290038 is an apocalyptic number.

138735290038 is a deficient number, since it is larger than the sum of its proper divisors (81615896906).

138735290038 is a wasteful number, since it uses less digits than its factorization.

138735290038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127847.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 138735290038 in words is "one hundred thirty-eight billion, seven hundred thirty-five million, two hundred ninety thousand, thirty-eight".