116185136 has 40 divisors (see below), whose sum is σ = 234062400. Its totient is φ = 55802880.

The previous prime is 116185129. The next prime is 116185151. The reversal of 116185136 is 631581611.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111305 + ... + 112343.

It is an arithmetic number, because the mean of its divisors is an integer number (5851560).

Almost surely, 2^116185136 is an apocalyptic number.

116185136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116185136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117031200).

116185136 is an abundant number, since it is smaller than the sum of its proper divisors (117877264).

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

116185136 is a wasteful number, since it uses less digits than its factorization.

116185136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1311 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 116185136 is about 10778.9209107406. The cubic root of 116185136 is about 487.9592145435.

The spelling of 116185136 in words is "one hundred sixteen million, one hundred eighty-five thousand, one hundred thirty-six".