138773000289 has 64 divisors (see below), whose sum is σ = 232004984832. Its totient is φ = 71679417600.

The previous prime is 138773000287. The next prime is 138773000321. The reversal of 138773000289 is 982000377831.

It is not a de Polignac number, because 138773000289 - 2¹ = 138773000287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138773000287) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31558639 + ... + 31563035.

It is an arithmetic number, because the mean of its divisors is an integer number (3625077888).

Almost surely, 2^138773000289 is an apocalyptic number.

138773000289 is the 199122-nd nonagonal number.

It is an amenable number.

138773000289 is a deficient number, since it is larger than the sum of its proper divisors (93231984543).

138773000289 is a wasteful number, since it uses less digits than its factorization.

138773000289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 138773000289 in words is "one hundred thirty-eight billion, seven hundred seventy-three million, two hundred eighty-nine", and thus it is an aban number.