630134402 has 8 divisors (see below), whose sum is σ = 945308556. Its totient is φ = 315031552.

The previous prime is 630134387. The next prime is 630134413. The reversal of 630134402 is 204431036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 486158401 + 143976001 = 22049^2 + 11999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 22658 + ... + 42114.

Almost surely, 2^630134402 is an apocalyptic number.

630134402 is a deficient number, since it is larger than the sum of its proper divisors (315174154).

630134402 is a wasteful number, since it uses less digits than its factorization.

630134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35652.

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

The square root of 630134402 is about 25102.4780051691. The cubic root of 630134402 is about 857.3228456493.

Adding to 630134402 its reverse (204431036), we get a palindrome (834565438).

The spelling of 630134402 in words is "six hundred thirty million, one hundred thirty-four thousand, four hundred two".