10138186 has 4 divisors (see below), whose sum is σ = 15207282. Its totient is φ = 5069092.

The previous prime is 10138169. The next prime is 10138207. The reversal of 10138186 is 68183101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68183101 = 7 ⋅9740443.

It can be written as a sum of positive squares in only one way, i.e., 8497225 + 1640961 = 2915^2 + 1281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534545 + ... + 2534548.

Almost surely, 2^10138186 is an apocalyptic number.

10138186 is a deficient number, since it is larger than the sum of its proper divisors (5069096).

10138186 is an equidigital number, since it uses as much as digits as its factorization.

10138186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069095.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 10138186 is about 3184.0518211863. The cubic root of 10138186 is about 216.4313084013.

The spelling of 10138186 in words is "ten million, one hundred thirty-eight thousand, one hundred eighty-six".