630205134 has 32 divisors (see below), whose sum is σ = 1361066784. Its totient is φ = 193380480.

The previous prime is 630205123. The next prime is 630205151. The reversal of 630205134 is 431502036.

It is a happy number.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 18264 + ... + 39924.

It is an arithmetic number, because the mean of its divisors is an integer number (42533337).

Almost surely, 2^630205134 is an apocalyptic number.

630205134 is an abundant number, since it is smaller than the sum of its proper divisors (730861650).

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

630205134 is a wasteful number, since it uses less digits than its factorization.

630205134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 630205134 is about 25103.8868305289. The cubic root of 630205134 is about 857.3549223462.

The spelling of 630205134 in words is "six hundred thirty million, two hundred five thousand, one hundred thirty-four".