1139065 has 8 divisors (see below), whose sum is σ = 1372680. Its totient is φ = 907392.

The previous prime is 1139059. The next prime is 1139081. The reversal of 1139065 is 5609311.

It can be written as a sum of positive squares in 4 ways, for example, as 114921 + 1024144 = 339^2 + 1012^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139065 is a prime.

It is a plaindrome in base 15.

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, 1767 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (171585).

2^1139065 is an apocalyptic number.

It is an amenable number.

1139065 is a deficient number, since it is larger than the sum of its proper divisors (233615).

1139065 is an equidigital number, since it uses as much as digits as its factorization.

1139065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1139065 is about 1067.2698815201. The cubic root of 1139065 is about 104.4358251610.

The spelling of 1139065 in words is "one million, one hundred thirty-nine thousand, sixty-five".