1138814 has 8 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 564256.

The previous prime is 1138793. The next prime is 1138829. The reversal of 1138814 is 4188311.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2294 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^1138814 is an apocalyptic number.

1138814 is a deficient number, since it is larger than the sum of its proper divisors (584866).

1138814 is a wasteful number, since it uses less digits than its factorization.

1138814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154.

The product of its digits is 768, while the sum is 26.

The square root of 1138814 is about 1067.1522852902. The cubic root of 1138814 is about 104.4281535713.

The spelling of 1138814 in words is "one million, one hundred thirty-eight thousand, eight hundred fourteen".