204435134054 has 8 divisors (see below), whose sum is σ = 307488268128. Its totient is φ = 101939044680.

The previous prime is 204435134051. The next prime is 204435134083. The reversal of 204435134054 is 450431534402.

204435134054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204435134051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139260257 + ... + 139261724.

It is an arithmetic number, because the mean of its divisors is an integer number (38436033516).

Almost surely, 2^204435134054 is an apocalyptic number.

204435134054 is a deficient number, since it is larger than the sum of its proper divisors (103053134074).

204435134054 is a wasteful number, since it uses less digits than its factorization.

204435134054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278522350.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 204435134054 its reverse (450431534402), we get a palindrome (654866668456).

The spelling of 204435134054 in words is "two hundred four billion, four hundred thirty-five million, one hundred thirty-four thousand, fifty-four".