634585134 has 32 divisors (see below), whose sum is σ = 1370027520. Its totient is φ = 195353312.

The previous prime is 634585069. The next prime is 634585141. The reversal of 634585134 is 431585436.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 634585092 and 634585101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75282 + ... + 83285.

It is an arithmetic number, because the mean of its divisors is an integer number (42813360).

Almost surely, 2^634585134 is an apocalyptic number.

634585134 is an abundant number, since it is smaller than the sum of its proper divisors (735442386).

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

634585134 is a wasteful number, since it uses less digits than its factorization.

634585134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158624.

The product of its digits is 172800, while the sum is 39.

The square root of 634585134 is about 25190.9732642469. The cubic root of 634585134 is about 859.3365777713.

The spelling of 634585134 in words is "six hundred thirty-four million, five hundred eighty-five thousand, one hundred thirty-four".