138228274382 has 16 divisors (see below), whose sum is σ = 226251056304. Its totient is φ = 62814552000.

The previous prime is 138228274319. The next prime is 138228274399. The reversal of 138228274382 is 283472822831.

It is a self number, because there is not a number n which added to its sum of digits gives 138228274382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738119 + ... + 906242.

It is an arithmetic number, because the mean of its divisors is an integer number (14140691019).

Almost surely, 2^138228274382 is an apocalyptic number.

138228274382 is a deficient number, since it is larger than the sum of its proper divisors (88022781922).

138228274382 is a wasteful number, since it uses less digits than its factorization.

138228274382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648195.

The product of its digits is 2064384, while the sum is 50.

The spelling of 138228274382 in words is "one hundred thirty-eight billion, two hundred twenty-eight million, two hundred seventy-four thousand, three hundred eighty-two".