204140334 has 16 divisors (see below), whose sum is σ = 409801680. Its totient is φ = 67793280.

The previous prime is 204140329. The next prime is 204140429. The reversal of 204140334 is 433041402.

It is a self number, because there is not a number n which added to its sum of digits gives 204140334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61627 + ... + 64854.

It is an arithmetic number, because the mean of its divisors is an integer number (25612605).

Almost surely, 2^204140334 is an apocalyptic number.

204140334 is an abundant number, since it is smaller than the sum of its proper divisors (205661346).

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

204140334 is a wasteful number, since it uses less digits than its factorization.

204140334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126755.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 204140334 is about 14287.7686851376. The cubic root of 204140334 is about 588.8114865846.

Adding to 204140334 its reverse (433041402), we get a palindrome (637181736).

The spelling of 204140334 in words is "two hundred four million, one hundred forty thousand, three hundred thirty-four".