206135326 has 16 divisors (see below), whose sum is σ = 317571840. Its totient is φ = 100303000.

The previous prime is 206135323. The next prime is 206135327. The reversal of 206135326 is 623531602.

It is a junction number, because it is equal to n+sod(n) for n = 206135294 and 206135303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206135323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10701 + ... + 22951.

It is an arithmetic number, because the mean of its divisors is an integer number (19848240).

Almost surely, 2^206135326 is an apocalyptic number.

206135326 is a deficient number, since it is larger than the sum of its proper divisors (111436514).

206135326 is a wasteful number, since it uses less digits than its factorization.

206135326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 206135326 is about 14357.4136250231. The cubic root of 206135326 is about 590.7233548623.

Adding to 206135326 its reverse (623531602), we get a palindrome (829666928).

The spelling of 206135326 in words is "two hundred six million, one hundred thirty-five thousand, three hundred twenty-six".