138259312033 has 16 divisors (see below), whose sum is σ = 139970744320. Its totient is φ = 136559682000.

The previous prime is 138259312027. The next prime is 138259312049. The reversal of 138259312033 is 330213952831.

It is a cyclic number.

It is not a de Polignac number, because 138259312033 - 2⁵ = 138259312001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138259312003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56042266 + ... + 56044732.

It is an arithmetic number, because the mean of its divisors is an integer number (8748171520).

Almost surely, 2^138259312033 is an apocalyptic number.

It is an amenable number.

138259312033 is a deficient number, since it is larger than the sum of its proper divisors (1711432287).

138259312033 is a wasteful number, since it uses less digits than its factorization.

138259312033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 138259312033 in words is "one hundred thirty-eight billion, two hundred fifty-nine million, three hundred twelve thousand, thirty-three".