138632671184 has 20 divisors (see below), whose sum is σ = 306972343584. Its totient is φ = 59414001888.

The previous prime is 138632671159. The next prime is 138632671223. The reversal of 138632671184 is 481176236831.

It is a super-2 number, since 2×138632671184² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 618895742 + ... + 618895965.

Almost surely, 2^138632671184 is an apocalyptic number.

138632671184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

138632671184 is an abundant number, since it is smaller than the sum of its proper divisors (168339672400).

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

138632671184 is a wasteful number, since it uses less digits than its factorization.

138632671184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237791722 (or 1237791716 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 138632671184 in words is "one hundred thirty-eight billion, six hundred thirty-two million, six hundred seventy-one thousand, one hundred eighty-four".