204777134 has 8 divisors (see below), whose sum is σ = 317074368. Its totient is φ = 99085680.

The previous prime is 204777113. The next prime is 204777143. The reversal of 204777134 is 431777402.

It is a happy number.

204777134 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 junction number, because it is equal to n+sod(n) for n = 204777094 and 204777103.

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, 1651367 + ... + 1651490.

It is an arithmetic number, because the mean of its divisors is an integer number (39634296).

Almost surely, 2^204777134 is an apocalyptic number.

204777134 is a deficient number, since it is larger than the sum of its proper divisors (112297234).

204777134 is a wasteful number, since it uses less digits than its factorization.

204777134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302890.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 204777134 is about 14310.0361285358. The cubic root of 204777134 is about 589.4231017097.

The spelling of 204777134 in words is "two hundred four million, seven hundred seventy-seven thousand, one hundred thirty-four".