8134859 has 4 divisors (see below), whose sum is σ = 8140704. Its totient is φ = 8129016.

The previous prime is 8134849. The next prime is 8134871. The reversal of 8134859 is 9584318.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9584318 = 2 ⋅4792159.

It is a cyclic number.

It is not a de Polignac number, because 8134859 - 2²⁰ = 7086283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8134849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509 + ... + 4065.

It is an arithmetic number, because the mean of its divisors is an integer number (2035176).

Almost surely, 2^8134859 is an apocalyptic number.

8134859 is a deficient number, since it is larger than the sum of its proper divisors (5845).

8134859 is a wasteful number, since it uses less digits than its factorization.

8134859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844.

The product of its digits is 34560, while the sum is 38.

The square root of 8134859 is about 2852.1674214534. The cubic root of 8134859 is about 201.1175685708.

The spelling of 8134859 in words is "eight million, one hundred thirty-four thousand, eight hundred fifty-nine".