138904308335 has 8 divisors (see below), whose sum is σ = 179507106240. Its totient is φ = 102575489184.

The previous prime is 138904308331. The next prime is 138904308337. The reversal of 138904308335 is 533803409831.

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 138904308335 - 2² = 138904308331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138904308335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138904308331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068494615 + ... + 1068494744.

It is an arithmetic number, because the mean of its divisors is an integer number (22438388280).

Almost surely, 2^138904308335 is an apocalyptic number.

138904308335 is a deficient number, since it is larger than the sum of its proper divisors (40602797905).

138904308335 is a wasteful number, since it uses less digits than its factorization.

138904308335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136989377.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 138904308335 in words is "one hundred thirty-eight billion, nine hundred four million, three hundred eight thousand, three hundred thirty-five".