11138214 has 32 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 3608352.

The previous prime is 11138203. The next prime is 11138243. The reversal of 11138214 is 41283111.

It is a happy number.

It is a super-2 number, since 2×11138214² = 248119622219592, which contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 41272 + ... + 41540.

It is an arithmetic number, because the mean of its divisors is an integer number (716040).

Almost surely, 2^11138214 is an apocalyptic number.

11138214 is an abundant number, since it is smaller than the sum of its proper divisors (11775066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138214 is a wasteful number, since it uses less digits than its factorization.

11138214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 192, while the sum is 21.

The square root of 11138214 is about 3337.3962905235. The cubic root of 11138214 is about 223.3256050394.

The spelling of 11138214 in words is "eleven million, one hundred thirty-eight thousand, two hundred fourteen".