200139 has 4 divisors (see below), whose sum is σ = 266856. Its totient is φ = 133424.

The previous prime is 200131. The next prime is 200153. The reversal of 200139 is 931002.

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 200139 - 2³ = 200131 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (200131) 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, 33354 + ... + 33359.

It is an arithmetic number, because the mean of its divisors is an integer number (66714).

2²⁰⁰¹³⁹ is an apocalyptic number.

200139 is a deficient number, since it is larger than the sum of its proper divisors (66717).

200139 is an equidigital number, since it uses as much as digits as its factorization.

200139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66716.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 200139 is about 447.3689752319. The cubic root of 200139 is about 58.4938995757.

The spelling of 200139 in words is "two hundred thousand, one hundred thirty-nine".