138734589384 has 48 divisors (see below), whose sum is σ = 377394797520. Its totient is φ = 46041135840.

The previous prime is 138734589289. The next prime is 138734589407. The reversal of 138734589384 is 483985437831.

138734589384 is a `hidden beast` number, since 1 + 38 + 73 + 458 + 9 + 3 + 84 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4227862 + ... + 4260549.

It is an arithmetic number, because the mean of its divisors is an integer number (7862391615).

Almost surely, 2^138734589384 is an apocalyptic number.

It is an amenable number.

138734589384 is an abundant number, since it is smaller than the sum of its proper divisors (238660208136).

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

138734589384 is a wasteful number, since it uses less digits than its factorization.

138734589384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488650 (or 8488643 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 138734589384 in words is "one hundred thirty-eight billion, seven hundred thirty-four million, five hundred eighty-nine thousand, three hundred eighty-four".