138142195199 has 4 divisors (see below), whose sum is σ = 138246929040. Its totient is φ = 138037461360.

The previous prime is 138142195193. The next prime is 138142195229. The reversal of 138142195199 is 991591241831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138142195199 - 2⁸ = 138142194943 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 138142195199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138142195193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52364942 + ... + 52367579.

It is an arithmetic number, because the mean of its divisors is an integer number (34561732260).

Almost surely, 2^138142195199 is an apocalyptic number.

138142195199 is a deficient number, since it is larger than the sum of its proper divisors (104733841).

138142195199 is a wasteful number, since it uses less digits than its factorization.

138142195199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104733840.

The product of its digits is 699840, while the sum is 53.

The spelling of 138142195199 in words is "one hundred thirty-eight billion, one hundred forty-two million, one hundred ninety-five thousand, one hundred ninety-nine".