206179134 has 16 divisors (see below), whose sum is σ = 471266688. Its totient is φ = 58908312.

The previous prime is 206179123. The next prime is 206179139. The reversal of 206179134 is 431971602.

It is a junction number, because it is equal to n+sod(n) for n = 206179095 and 206179104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206179139) by changing a digit.

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, 2454472 + ... + 2454555.

It is an arithmetic number, because the mean of its divisors is an integer number (29454168).

Almost surely, 2^206179134 is an apocalyptic number.

206179134 is an abundant number, since it is smaller than the sum of its proper divisors (265087554).

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

206179134 is a wasteful number, since it uses less digits than its factorization.

206179134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909039.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 206179134 is about 14358.9391669441. The cubic root of 206179134 is about 590.7651988558.

The spelling of 206179134 in words is "two hundred six million, one hundred seventy-nine thousand, one hundred thirty-four".