630134145402 has 16 divisors (see below), whose sum is σ = 1260520757760. Its totient is φ = 210002637312.

The previous prime is 630134145401. The next prime is 630134145449. The reversal of 630134145402 is 204541431036.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (630134145401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10487002 + ... + 10546917.

It is an arithmetic number, because the mean of its divisors is an integer number (78782547360).

Almost surely, 2^630134145402 is an apocalyptic number.

630134145402 is an abundant number, since it is smaller than the sum of its proper divisors (630386612358).

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

630134145402 is a wasteful number, since it uses less digits than its factorization.

630134145402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21038917.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 630134145402 its reverse (204541431036), we get a palindrome (834675576438).

The spelling of 630134145402 in words is "six hundred thirty billion, one hundred thirty-four million, one hundred forty-five thousand, four hundred two".