8585134520 has 16 divisors (see below), whose sum is σ = 19316552760. Its totient is φ = 3434053792.

The previous prime is 8585134483. The next prime is 8585134529. The reversal of 8585134520 is 254315858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8585134529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107314142 + ... + 107314221.

Almost surely, 2^8585134520 is an apocalyptic number.

It is an amenable number.

8585134520 is an abundant number, since it is smaller than the sum of its proper divisors (10731418240).

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

8585134520 is a wasteful number, since it uses less digits than its factorization.

8585134520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214628374 (or 214628370 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 8585134520 is about 92656.0009929200. Note that the first 3 decimals coincide. The cubic root of 8585134520 is about 2047.6184534729.

The spelling of 8585134520 in words is "eight billion, five hundred eighty-five million, one hundred thirty-four thousand, five hundred twenty".