8512840134 has 48 divisors (see below), whose sum is σ = 19860506640. Its totient is φ = 2625423360.

The previous prime is 8512840129. The next prime is 8512840139. The reversal of 8512840134 is 4310482158.

8512840134 is a `hidden beast` number, since 8 + 512 + 8 + 4 + 0 + 134 = 666.

It is an interprime number because it is at equal distance from previous prime (8512840129) and next prime (8512840139).

It is a super-2 number, since 2×8512840134² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8512840139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217707 + ... + 253814.

It is an arithmetic number, because the mean of its divisors is an integer number (413760555).

Almost surely, 2^8512840134 is an apocalyptic number.

8512840134 is an abundant number, since it is smaller than the sum of its proper divisors (11347666506).

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

8512840134 is a wasteful number, since it uses less digits than its factorization.

8512840134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471605 (or 471602 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8512840134 is about 92265.0536985700. The cubic root of 8512840134 is about 2041.8546613671.

The spelling of 8512840134 in words is "eight billion, five hundred twelve million, eight hundred forty thousand, one hundred thirty-four".