138667138733 has 8 divisors (see below), whose sum is σ = 141124420800. Its totient is φ = 136213423168.

The previous prime is 138667138711. The next prime is 138667138769. The reversal of 138667138733 is 337831766831.

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 138667138733 - 2¹² = 138667134637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138667138333) 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, 813116 + ... + 968757.

It is an arithmetic number, because the mean of its divisors is an integer number (17640552600).

Almost surely, 2^138667138733 is an apocalyptic number.

It is an amenable number.

138667138733 is a deficient number, since it is larger than the sum of its proper divisors (2457282067).

138667138733 is a wasteful number, since it uses less digits than its factorization.

138667138733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783251.

The product of its digits is 9144576, while the sum is 56.

The spelling of 138667138733 in words is "one hundred thirty-eight billion, six hundred sixty-seven million, one hundred thirty-eight thousand, seven hundred thirty-three".