86819134 has 8 divisors (see below), whose sum is σ = 130322808. Its totient is φ = 43378200.

The previous prime is 86819129. The next prime is 86819137. The reversal of 86819134 is 43191868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86819137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12057 + ... + 17860.

It is an arithmetic number, because the mean of its divisors is an integer number (16290351).

Almost surely, 2^86819134 is an apocalyptic number.

86819134 is a deficient number, since it is larger than the sum of its proper divisors (43503674).

86819134 is a wasteful number, since it uses less digits than its factorization.

86819134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31370.

The product of its digits is 41472, while the sum is 40.

The square root of 86819134 is about 9317.6785735504. The cubic root of 86819134 is about 442.7974894230.

It can be divided in two parts, 868 and 19134, that added together give a palindrome (20002).

The spelling of 86819134 in words is "eighty-six million, eight hundred nineteen thousand, one hundred thirty-four".