634429135 has 8 divisors (see below), whose sum is σ = 767310336. Its totient is φ = 503546400.

The previous prime is 634429129. The next prime is 634429139. The reversal of 634429135 is 531924436.

634429135 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 634429135 - 2⁷ = 634429007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 634429094 and 634429103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634429139) 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, 498916 + ... + 500185.

It is an arithmetic number, because the mean of its divisors is an integer number (95913792).

Almost surely, 2^634429135 is an apocalyptic number.

634429135 is a deficient number, since it is larger than the sum of its proper divisors (132881201).

634429135 is a wasteful number, since it uses less digits than its factorization.

634429135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999233.

The product of its digits is 77760, while the sum is 37.

The square root of 634429135 is about 25187.8767465620. The cubic root of 634429135 is about 859.2661555768.

The spelling of 634429135 in words is "six hundred thirty-four million, four hundred twenty-nine thousand, one hundred thirty-five".