138883760745 has 16 divisors (see below), whose sum is σ = 235285430400. Its totient is φ = 69714201344.

The previous prime is 138883760683. The next prime is 138883760753. The reversal of 138883760745 is 547067388831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 138883760745 - 2⁶ = 138883760681 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272320845 + ... + 272321354.

It is an arithmetic number, because the mean of its divisors is an integer number (14705339400).

Almost surely, 2^138883760745 is an apocalyptic number.

138883760745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138883760745 is a deficient number, since it is larger than the sum of its proper divisors (96401669655).

138883760745 is a wasteful number, since it uses less digits than its factorization.

138883760745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544642224.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 138883760745 in words is "one hundred thirty-eight billion, eight hundred eighty-three million, seven hundred sixty thousand, seven hundred forty-five".