205110134 has 8 divisors (see below), whose sum is σ = 325763208. Its totient is φ = 96522400.

The previous prime is 205110131. The next prime is 205110161. The reversal of 205110134 is 431011502.

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016292 + ... + 3016359.

It is an arithmetic number, because the mean of its divisors is an integer number (40720401).

Almost surely, 2^205110134 is an apocalyptic number.

205110134 is a deficient number, since it is larger than the sum of its proper divisors (120653074).

205110134 is a wasteful number, since it uses less digits than its factorization.

205110134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032670.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 205110134 is about 14321.6665929633. Note that the first 3 decimals coincide. The cubic root of 205110134 is about 589.7424270694.

Adding to 205110134 its reverse (431011502), we get a palindrome (636121636).

The spelling of 205110134 in words is "two hundred five million, one hundred ten thousand, one hundred thirty-four".