138762118657 has 8 divisors (see below), whose sum is σ = 146072390400. Its totient is φ = 131452547184.

The previous prime is 138762118643. The next prime is 138762118669. The reversal of 138762118657 is 756811267831.

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 138762118657 - 2⁷ = 138762118529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138762118598 and 138762118607.

It is not an unprimeable number, because it can be changed into a prime (138762118637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259344 + ... + 587182.

It is an arithmetic number, because the mean of its divisors is an integer number (18259048800).

Almost surely, 2^138762118657 is an apocalyptic number.

It is an amenable number.

138762118657 is a deficient number, since it is larger than the sum of its proper divisors (7310271743).

138762118657 is a wasteful number, since it uses less digits than its factorization.

138762118657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350135.

The product of its digits is 3386880, while the sum is 55.

The spelling of 138762118657 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, one hundred eighteen thousand, six hundred fifty-seven".