8188130 has 8 divisors (see below), whose sum is σ = 14738652. Its totient is φ = 3275248.

The previous prime is 8188111. The next prime is 8188133. The reversal of 8188130 is 318818.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8185321 + 2809 = 2861^2 + 53^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8188093 and 8188102.

It is not an unprimeable number, because it can be changed into a prime (8188133) 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, 409397 + ... + 409416.

Almost surely, 2^8188130 is an apocalyptic number.

8188130 is a deficient number, since it is larger than the sum of its proper divisors (6550522).

8188130 is a wasteful number, since it uses less digits than its factorization.

8188130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818820.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 8188130 is about 2861.4908701584. The cubic root of 8188130 is about 201.5556188785. Note that the first 3 decimals are identical.

The spelling of 8188130 in words is "eight million, one hundred eighty-eight thousand, one hundred thirty".