138318784311 has 8 divisors (see below), whose sum is σ = 184442485104. Its totient is φ = 92203803200.

The previous prime is 138318784271. The next prime is 138318784319. The reversal of 138318784311 is 113487813831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138318784311 - 2¹⁰ = 138318783287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138318784319) 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 7 ways as a sum of consecutive naturals, for example, 2142816 + ... + 2206421.

It is an arithmetic number, because the mean of its divisors is an integer number (23055310638).

Almost surely, 2^138318784311 is an apocalyptic number.

138318784311 is a deficient number, since it is larger than the sum of its proper divisors (46123700793).

138318784311 is a wasteful number, since it uses less digits than its factorization.

138318784311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359841.

The product of its digits is 387072, while the sum is 48.

The spelling of 138318784311 in words is "one hundred thirty-eight billion, three hundred eighteen million, seven hundred eighty-four thousand, three hundred eleven".