138960176723 has 8 divisors (see below), whose sum is σ = 143135918016. Its totient is φ = 134821886400.

The previous prime is 138960176711. The next prime is 138960176759. The reversal of 138960176723 is 327671069831.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138960176723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138960176783) 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, 9355211 + ... + 9370052.

It is an arithmetic number, because the mean of its divisors is an integer number (17891989752).

Almost surely, 2^138960176723 is an apocalyptic number.

138960176723 is a deficient number, since it is larger than the sum of its proper divisors (4175741293).

138960176723 is a wasteful number, since it uses less digits than its factorization.

138960176723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18725485.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 138960176723 in words is "one hundred thirty-eight billion, nine hundred sixty million, one hundred seventy-six thousand, seven hundred twenty-three".