1136564 has 24 divisors (see below), whose sum is σ = 2337888. Its totient is φ = 476640.

The previous prime is 1136557. The next prime is 1136567. The reversal of 1136564 is 4656311.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136567) 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 7 ways as a sum of consecutive naturals, for example, 422 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (97412).

2^1136564 is an apocalyptic number.

It is an amenable number.

1136564 is an abundant number, since it is smaller than the sum of its proper divisors (1201324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1136564 is a wasteful number, since it uses less digits than its factorization.

1136564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015 (or 2013 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 1136564 is about 1066.0975565116. The cubic root of 1136564 is about 104.3593339462.

It can be divided in two parts, 11 and 36564, that multiplied together give a palindrome (402204).

The spelling of 1136564 in words is "one million, one hundred thirty-six thousand, five hundred sixty-four".