204134213 has 4 divisors (see below), whose sum is σ = 204492288. Its totient is φ = 203776140.

The previous prime is 204134197. The next prime is 204134237. The reversal of 204134213 is 312431402.

204134213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204134213 - 2⁴ = 204134197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204124213) 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, 178181 + ... + 179322.

It is an arithmetic number, because the mean of its divisors is an integer number (51123072).

Almost surely, 2^204134213 is an apocalyptic number.

It is an amenable number.

204134213 is a deficient number, since it is larger than the sum of its proper divisors (358075).

204134213 is an equidigital number, since it uses as much as digits as its factorization.

204134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358074.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 204134213 is about 14287.5544793362. The cubic root of 204134213 is about 588.8056014972.

Adding to 204134213 its reverse (312431402), we get a palindrome (516565615).

The spelling of 204134213 in words is "two hundred four million, one hundred thirty-four thousand, two hundred thirteen".