204240240200134 has 64 divisors (see below), whose sum is σ = 315651553560000. Its totient is φ = 99053862082560.

The previous prime is 204240240200047. The next prime is 204240240200147. The reversal of 204240240200134 is 431002042042402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31572147052 + ... + 31572153520.

It is an arithmetic number, because the mean of its divisors is an integer number (4932055524375).

Almost surely, 2^{204240240200134} is an apocalyptic number.

204240240200134 is a deficient number, since it is larger than the sum of its proper divisors (111411313359866).

204240240200134 is a wasteful number, since it uses less digits than its factorization.

204240240200134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 204240240200134 its reverse (431002042042402), we get a palindrome (635242282242536).

The spelling of 204240240200134 in words is "two hundred four trillion, two hundred forty billion, two hundred forty million, two hundred thousand, one hundred thirty-four".