14140186 has 4 divisors (see below), whose sum is σ = 21210282. Its totient is φ = 7070092.

The previous prime is 14140177. The next prime is 14140187. The reversal of 14140186 is 68104141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68104141 = 7 ⋅9729163.

It can be written as a sum of positive squares in only one way, i.e., 8014561 + 6125625 = 2831^2 + 2475^2 .

It is a super-2 number, since 2×14140186² = 399889720229192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14140186.

It is not an unprimeable number, because it can be changed into a prime (14140187) 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 as a sum of consecutive naturals, namely, 3535045 + ... + 3535048.

Almost surely, 2^14140186 is an apocalyptic number.

14140186 is a deficient number, since it is larger than the sum of its proper divisors (7070096).

14140186 is an equidigital number, since it uses as much as digits as its factorization.

14140186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070095.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 14140186 is about 3760.3438672547. The cubic root of 14140186 is about 241.8160043025.

The spelling of 14140186 in words is "fourteen million, one hundred forty thousand, one hundred eighty-six".