204243134 has 8 divisors (see below), whose sum is σ = 324386208. Its totient is φ = 96114400.

The previous prime is 204243131. The next prime is 204243139. The reversal of 204243134 is 431342402.

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

It is a super-2 number, since 2×204243134² = 83430515572283912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204243131) 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, 3003542 + ... + 3003609.

It is an arithmetic number, because the mean of its divisors is an integer number (40548276).

Almost surely, 2^204243134 is an apocalyptic number.

204243134 is a deficient number, since it is larger than the sum of its proper divisors (120143074).

204243134 is a wasteful number, since it uses less digits than its factorization.

204243134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007170.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204243134 is about 14291.3657150043. The cubic root of 204243134 is about 588.9103069435.

Adding to 204243134 its reverse (431342402), we get a palindrome (635585536).

It can be divided in two parts, 2042 and 43134, that multiplied together give a triangular number (88079628 = T₁₃₂₇₂).

The spelling of 204243134 in words is "two hundred four million, two hundred forty-three thousand, one hundred thirty-four".