200139999 has 8 divisors (see below), whose sum is σ = 275461632. Its totient is φ = 129122520.

The previous prime is 200139913. The next prime is 200140001. The reversal of 200139999 is 999931002.

It is a happy number.

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

It is not a de Polignac number, because 200139999 - 2⁷ = 200139871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200139999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200139299) 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, 1075929 + ... + 1076114.

It is an arithmetic number, because the mean of its divisors is an integer number (34432704).

Almost surely, 2^200139999 is an apocalyptic number.

200139999 is a deficient number, since it is larger than the sum of its proper divisors (75321633).

200139999 is a wasteful number, since it uses less digits than its factorization.

200139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152077.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 200139999 is about 14147.0844699535. The cubic root of 200139999 is about 584.9399690025.

The spelling of 200139999 in words is "two hundred million, one hundred thirty-nine thousand, nine hundred ninety-nine".