206617134 has 16 divisors (see below), whose sum is σ = 434983680. Its totient is φ = 65247480.

The previous prime is 206617127. The next prime is 206617157. The reversal of 206617134 is 431716602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906102 + ... + 906329.

It is an arithmetic number, because the mean of its divisors is an integer number (27186480).

Almost surely, 2^206617134 is an apocalyptic number.

206617134 is an abundant number, since it is smaller than the sum of its proper divisors (228366546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206617134 is a wasteful number, since it uses less digits than its factorization.

206617134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812455.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 206617134 is about 14374.1828985164. The cubic root of 206617134 is about 591.1832368628.

The spelling of 206617134 in words is "two hundred six million, six hundred seventeen thousand, one hundred thirty-four".