205670000134 has 8 divisors (see below), whose sum is σ = 326652353208. Its totient is φ = 96785882400.

The previous prime is 205670000077. The next prime is 205670000177. The reversal of 205670000134 is 431000076502.

205670000134 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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024558792 + ... + 3024558859.

It is an arithmetic number, because the mean of its divisors is an integer number (40831544151).

Almost surely, 2^205670000134 is an apocalyptic number.

205670000134 is a deficient number, since it is larger than the sum of its proper divisors (120982353074).

205670000134 is a wasteful number, since it uses less digits than its factorization.

205670000134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049117670.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 205670000134 its reverse (431000076502), we get a palindrome (636670076636).

The spelling of 205670000134 in words is "two hundred five billion, six hundred seventy million, one hundred thirty-four", and thus it is an aban number.