138359075502 has 16 divisors (see below), whose sum is σ = 276722957952. Its totient is φ = 46118890680.

The previous prime is 138359075467. The next prime is 138359075509. The reversal of 138359075502 is 205570953831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138359075509) 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, 252703 + ... + 583589.

It is an arithmetic number, because the mean of its divisors is an integer number (17295184872).

Almost surely, 2^138359075502 is an apocalyptic number.

138359075502 is an abundant number, since it is smaller than the sum of its proper divisors (138363882450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138359075502 is a wasteful number, since it uses less digits than its factorization.

138359075502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400583.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 138359075502 in words is "one hundred thirty-eight billion, three hundred fifty-nine million, seventy-five thousand, five hundred two".