138773166459 has 8 divisors (see below), whose sum is σ = 193075709952. Its totient is φ = 88493033640.

The previous prime is 138773166451. The next prime is 138773166481. The reversal of 138773166459 is 954661377831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138773166459 - 2³ = 138773166451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138773166451) 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, 1005602587 + ... + 1005602724.

It is an arithmetic number, because the mean of its divisors is an integer number (24134463744).

Almost surely, 2^138773166459 is an apocalyptic number.

138773166459 is a deficient number, since it is larger than the sum of its proper divisors (54302543493).

138773166459 is a wasteful number, since it uses less digits than its factorization.

138773166459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011205337.

The product of its digits is 22861440, while the sum is 60.

The spelling of 138773166459 in words is "one hundred thirty-eight billion, seven hundred seventy-three million, one hundred sixty-six thousand, four hundred fifty-nine".