204134534 has 8 divisors (see below), whose sum is σ = 309233808. Its totient is φ = 101056600.

The previous prime is 204134507. The next prime is 204134569. The reversal of 204134534 is 435431402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505082 + ... + 505485.

It is an arithmetic number, because the mean of its divisors is an integer number (38654226).

Almost surely, 2^204134534 is an apocalyptic number.

204134534 is a deficient number, since it is larger than the sum of its proper divisors (105099274).

204134534 is a wasteful number, since it uses less digits than its factorization.

204134534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010670.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204134534 is about 14287.5657128848. The cubic root of 204134534 is about 588.8059101283.

Adding to 204134534 its reverse (435431402), we get a palindrome (639565936).

The spelling of 204134534 in words is "two hundred four million, one hundred thirty-four thousand, five hundred thirty-four".