1138765 has 8 divisors (see below), whose sum is σ = 1438560. Its totient is φ = 862992.

The previous prime is 1138757. The next prime is 1138771. The reversal of 1138765 is 5678311.

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

It is a cyclic number.

It is not a de Polignac number, because 1138765 - 2³ = 1138757 is a prime.

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, 5899 + ... + 6088.

It is an arithmetic number, because the mean of its divisors is an integer number (179820).

2^1138765 is an apocalyptic number.

It is an amenable number.

1138765 is a deficient number, since it is larger than the sum of its proper divisors (299795).

1138765 is a wasteful number, since it uses less digits than its factorization.

1138765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011.

The product of its digits is 5040, while the sum is 31.

The square root of 1138765 is about 1067.1293267454. The cubic root of 1138765 is about 104.4266557988.

The spelling of 1138765 in words is "one million, one hundred thirty-eight thousand, seven hundred sixty-five".