204134303129 has 16 divisors (see below), whose sum is σ = 222391968000. Its totient is φ = 186634264320.

The previous prime is 204134303083. The next prime is 204134303147. The reversal of 204134303129 is 921303431402.

It is a cyclic number.

It is not a de Polignac number, because 204134303129 - 2²⁰ = 204133254553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204134303095 and 204134303104.

It is not an unprimeable number, because it can be changed into a prime (204134302129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104992 + ... + 1276430.

It is an arithmetic number, because the mean of its divisors is an integer number (13899498000).

Almost surely, 2^204134303129 is an apocalyptic number.

204134303129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

204134303129 is a deficient number, since it is larger than the sum of its proper divisors (18257664871).

204134303129 is a wasteful number, since it uses less digits than its factorization.

204134303129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173648.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 204134303129 in words is "two hundred four billion, one hundred thirty-four million, three hundred three thousand, one hundred twenty-nine".