138297556793 has 8 divisors (see below), whose sum is σ = 154378668576. Its totient is φ = 122801212800.

The previous prime is 138297556759. The next prime is 138297556849. The reversal of 138297556793 is 397655792831.

138297556793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 138297556793 - 2²⁴ = 138280779577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138297556753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146191448 + ... + 146192393.

It is an arithmetic number, because the mean of its divisors is an integer number (19297333572).

Almost surely, 2^138297556793 is an apocalyptic number.

It is an amenable number.

138297556793 is a deficient number, since it is larger than the sum of its proper divisors (16081111783).

138297556793 is a wasteful number, since it uses less digits than its factorization.

138297556793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292383895.

The product of its digits is 85730400, while the sum is 65.

The spelling of 138297556793 in words is "one hundred thirty-eight billion, two hundred ninety-seven million, five hundred fifty-six thousand, seven hundred ninety-three".