1136064564 has 72 divisors (see below), whose sum is σ = 2994001920. Its totient is φ = 362808000.

The previous prime is 1136064547. The next prime is 1136064569. The reversal of 1136064564 is 4654606311.

It is a happy number.

1136064564 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 0 + 645 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136064569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107677 + ... + 117755.

It is an arithmetic number, because the mean of its divisors is an integer number (41583360).

Almost surely, 2^1136064564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136064564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497000960).

1136064564 is an abundant number, since it is smaller than the sum of its proper divisors (1857937356).

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

1136064564 is a wasteful number, since it uses less digits than its factorization.

1136064564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221 (or 10216 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1136064564 is about 33705.5568712342. The cubic root of 1136064564 is about 1043.4404563143.

The spelling of 1136064564 in words is "one billion, one hundred thirty-six million, sixty-four thousand, five hundred sixty-four".