8147134185 has 16 divisors (see below), whose sum is σ = 13064457600. Its totient is φ = 4335457280.

The previous prime is 8147134183. The next prime is 8147134271. The reversal of 8147134185 is 5814317418.

It is not a de Polignac number, because 8147134185 - 2¹ = 8147134183 is a prime.

It is a super-2 number, since 2×8147134185² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8147134183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598101 + ... + 611570.

It is an arithmetic number, because the mean of its divisors is an integer number (816528600).

Almost surely, 2^8147134185 is an apocalyptic number.

It is an amenable number.

8147134185 is a deficient number, since it is larger than the sum of its proper divisors (4917323415).

8147134185 is a wasteful number, since it uses less digits than its factorization.

8147134185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210128.

The product of its digits is 107520, while the sum is 42.

The square root of 8147134185 is about 90261.4767494971. The cubic root of 8147134185 is about 2012.1867725418.

The spelling of 8147134185 in words is "eight billion, one hundred forty-seven million, one hundred thirty-four thousand, one hundred eighty-five".