634315126130 has 32 divisors (see below), whose sum is σ = 1306060015104. Its totient is φ = 217282274496.

The previous prime is 634315126099. The next prime is 634315126139. The reversal of 634315126130 is 31621513436.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (634315126139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4030517 + ... + 4184936.

It is an arithmetic number, because the mean of its divisors is an integer number (40814375472).

Almost surely, 2^634315126130 is an apocalyptic number.

634315126130 is an abundant number, since it is smaller than the sum of its proper divisors (671744888974).

634315126130 is a wasteful number, since it uses less digits than its factorization.

634315126130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216570.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 634315126130 its reverse (31621513436), we get a palindrome (665936639566).

The spelling of 634315126130 in words is "six hundred thirty-four billion, three hundred fifteen million, one hundred twenty-six thousand, one hundred thirty".