8182140 has 96 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 2046720.

The previous prime is 8182123. The next prime is 8182157. The reversal of 8182140 is 412818.

It is an interprime number because it is at equal distance from previous prime (8182123) and next prime (8182157).

It is a self number, because there is not a number n which added to its sum of digits gives 8182140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98539 + ... + 98621.

It is an arithmetic number, because the mean of its divisors is an integer number (254016).

Almost surely, 2^8182140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8182140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12192768).

8182140 is an abundant number, since it is smaller than the sum of its proper divisors (16203396).

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

8182140 is a wasteful number, since it uses less digits than its factorization.

8182140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 8182140 is about 2860.4440214764. Note that the first 3 decimals coincide. The cubic root of 8182140 is about 201.5064577685.

Adding to 8182140 its reverse (412818), we get a palindrome (8594958).

The spelling of 8182140 in words is "eight million, one hundred eighty-two thousand, one hundred forty".