1136641064 has 64 divisors (see below), whose sum is σ = 2346489600. Its totient is φ = 512987904.

The previous prime is 1136641057. The next prime is 1136641069. The reversal of 1136641064 is 4601466311.

It is a self number, because there is not a number n which added to its sum of digits gives 1136641064.

It is not an unprimeable number, because it can be changed into a prime (1136641069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093457 + ... + 1094495.

It is an arithmetic number, because the mean of its divisors is an integer number (36663900).

Almost surely, 2^1136641064 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 1136641064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173244800).

1136641064 is an abundant number, since it is smaller than the sum of its proper divisors (1209848536).

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

1136641064 is a wasteful number, since it uses less digits than its factorization.

1136641064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1136641064 is about 33714.1077888768. The cubic root of 1136641064 is about 1043.6169256568.

The spelling of 1136641064 in words is "one billion, one hundred thirty-six million, six hundred forty-one thousand, sixty-four".