206140334 has 16 divisors (see below), whose sum is σ = 327693600. Its totient is φ = 96920064.

The previous prime is 206140331. The next prime is 206140343. The reversal of 206140334 is 433041602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206140331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51062 + ... + 54950.

It is an arithmetic number, because the mean of its divisors is an integer number (20480850).

Almost surely, 2^206140334 is an apocalyptic number.

206140334 is a deficient number, since it is larger than the sum of its proper divisors (121553266).

206140334 is a wasteful number, since it uses less digits than its factorization.

206140334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 206140334 is about 14357.5880286349. The cubic root of 206140334 is about 590.7281386431.

Adding to 206140334 its reverse (433041602), we get a palindrome (639181936).

The spelling of 206140334 in words is "two hundred six million, one hundred forty thousand, three hundred thirty-four".