634315126129 has 8 divisors (see below), whose sum is σ = 639059090688. Its totient is φ = 629572812960.

The previous prime is 634315126099. The next prime is 634315126139. The reversal of 634315126129 is 921621513436.

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

It is a cyclic number.

It is not a de Polignac number, because 634315126129 - 2¹⁵ = 634315093361 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 363684 + ... + 1183594.

It is an arithmetic number, because the mean of its divisors is an integer number (79882386336).

Almost surely, 2^634315126129 is an apocalyptic number.

It is an amenable number.

634315126129 is a deficient number, since it is larger than the sum of its proper divisors (4743964559).

634315126129 is a wasteful number, since it uses less digits than its factorization.

634315126129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825695.

The product of its digits is 233280, while the sum is 43.

The spelling of 634315126129 in words is "six hundred thirty-four billion, three hundred fifteen million, one hundred twenty-six thousand, one hundred twenty-nine".