205303134 has 8 divisors (see below), whose sum is σ = 410606280. Its totient is φ = 68434376.

The previous prime is 205303061. The next prime is 205303181. The reversal of 205303134 is 431303502.

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

205303134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 205303134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17108589 + ... + 17108600.

It is an arithmetic number, because the mean of its divisors is an integer number (51325785).

Almost surely, 2^205303134 is an apocalyptic number.

205303134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205303134 is a wasteful number, since it uses less digits than its factorization.

205303134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34217194.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 205303134 is about 14328.4030512824. The cubic root of 205303134 is about 589.9273433463.

Adding to 205303134 its reverse (431303502), we get a palindrome (636606636).

The spelling of 205303134 in words is "two hundred five million, three hundred three thousand, one hundred thirty-four".