214130186 has 8 divisors (see below), whose sum is σ = 322222404. Its totient is φ = 106722720.

The previous prime is 214130183. The next prime is 214130197. The reversal of 214130186 is 681031412.

It can be written as a sum of positive squares in 2 ways, for example, as 206813161 + 7317025 = 14381^2 + 2705^2 .

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

It is not an unprimeable number, because it can be changed into a prime (214130183) 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, 170405 + ... + 171656.

Almost surely, 2^214130186 is an apocalyptic number.

214130186 is a deficient number, since it is larger than the sum of its proper divisors (108092218).

214130186 is a wasteful number, since it uses less digits than its factorization.

214130186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342376.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 214130186 is about 14633.1878276745. The cubic root of 214130186 is about 598.2636708562.

Adding to 214130186 its reverse (681031412), we get a palindrome (895161598).

The spelling of 214130186 in words is "two hundred fourteen million, one hundred thirty thousand, one hundred eighty-six".