1138768 has 20 divisors (see below), whose sum is σ = 2231008. Its totient is φ = 563040.

The previous prime is 1138757. The next prime is 1138771. The reversal of 1138768 is 8678311.

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, 1303 + ... + 1993.

2^1138768 is an apocalyptic number.

It is an amenable number.

1138768 is a deficient number, since it is larger than the sum of its proper divisors (1092240).

1138768 is a wasteful number, since it uses less digits than its factorization.

1138768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 796 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 1138768 is about 1067.1307323847. The cubic root of 1138768 is about 104.4267475004.

The spelling of 1138768 in words is "one million, one hundred thirty-eight thousand, seven hundred sixty-eight".