138120667199 has 8 divisors (see below), whose sum is σ = 139435060608. Its totient is φ = 136806710040.

The previous prime is 138120667169. The next prime is 138120667207. The reversal of 138120667199 is 991766021831.

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-138120667199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 138120667199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138120667169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545774 + ... + 757700.

It is an arithmetic number, because the mean of its divisors is an integer number (17429382576).

Almost surely, 2^138120667199 is an apocalyptic number.

138120667199 is a deficient number, since it is larger than the sum of its proper divisors (1314393409).

138120667199 is a wasteful number, since it uses less digits than its factorization.

138120667199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218125.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 138120667199 in words is "one hundred thirty-eight billion, one hundred twenty million, six hundred sixty-seven thousand, one hundred ninety-nine".