86185136 has 40 divisors (see below), whose sum is σ = 172600560. Its totient is φ = 41658624.

The previous prime is 86185093. The next prime is 86185171. The reversal of 86185136 is 63158168.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86185136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116255 + ... + 116993.

It is an arithmetic number, because the mean of its divisors is an integer number (4315014).

Almost surely, 2^86185136 is an apocalyptic number.

It is an amenable number.

86185136 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

86185136 is a wasteful number, since it uses less digits than its factorization.

86185136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 975 counting only the distinct ones).

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

The square root of 86185136 is about 9283.5949933202. The cubic root of 86185136 is about 441.7170100124.

The spelling of 86185136 in words is "eighty-six million, one hundred eighty-five thousand, one hundred thirty-six".