204134300143 has 4 divisors (see below), whose sum is σ = 204256611160. Its totient is φ = 204011989128.

The previous prime is 204134300101. The next prime is 204134300147. The reversal of 204134300143 is 341003431402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204134300143 - 2¹³ = 204134291951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204134300147) 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, 61153005 + ... + 61156342.

It is an arithmetic number, because the mean of its divisors is an integer number (51064152790).

Almost surely, 2^204134300143 is an apocalyptic number.

204134300143 is a deficient number, since it is larger than the sum of its proper divisors (122311017).

204134300143 is a wasteful number, since it uses less digits than its factorization.

204134300143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122311016.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 204134300143 its reverse (341003431402), we get a palindrome (545137731545).

The spelling of 204134300143 in words is "two hundred four billion, one hundred thirty-four million, three hundred thousand, one hundred forty-three".