1136489 has 4 divisors (see below), whose sum is σ = 1142400. Its totient is φ = 1130580.

The previous prime is 1136483. The next prime is 1136557. The reversal of 1136489 is 9846311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1136489 - 2¹² = 1132393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657 + ... + 3054.

It is an arithmetic number, because the mean of its divisors is an integer number (285600).

2^1136489 is an apocalyptic number.

It is an amenable number.

1136489 is a deficient number, since it is larger than the sum of its proper divisors (5911).

1136489 is an equidigital number, since it uses as much as digits as its factorization.

1136489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5910.

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

The square root of 1136489 is about 1066.0623809140. The cubic root of 1136489 is about 104.3570383951.

The spelling of 1136489 in words is "one million, one hundred thirty-six thousand, four hundred eighty-nine".