10138966 has 4 divisors (see below), whose sum is σ = 15208452. Its totient is φ = 5069482.

The previous prime is 10138957. The next prime is 10138979. The reversal of 10138966 is 66983101.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

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, 2534740 + ... + 2534743.

It is an arithmetic number, because the mean of its divisors is an integer number (3802113).

Almost surely, 2^10138966 is an apocalyptic number.

10138966 is a deficient number, since it is larger than the sum of its proper divisors (5069486).

10138966 is an equidigital number, since it uses as much as digits as its factorization.

10138966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069485.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 10138966 is about 3184.1743042742. The cubic root of 10138966 is about 216.4368587726.

The spelling of 10138966 in words is "ten million, one hundred thirty-eight thousand, nine hundred sixty-six".