1138694 has 16 divisors (see below), whose sum is σ = 1831248. Its totient is φ = 529152.

The previous prime is 1138681. The next prime is 1138703. The reversal of 1138694 is 4968311.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3482 + ... + 3794.

It is an arithmetic number, because the mean of its divisors is an integer number (114453).

2^1138694 is an apocalyptic number.

1138694 is a deficient number, since it is larger than the sum of its proper divisors (692554).

1138694 is a wasteful number, since it uses less digits than its factorization.

1138694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its digits is 5184, while the sum is 32.

The square root of 1138694 is about 1067.0960594061. The cubic root of 1138694 is about 104.4244854808.

The spelling of 1138694 in words is "one million, one hundred thirty-eight thousand, six hundred ninety-four".