1136529856 has 112 divisors (see below), whose sum is σ = 2830689792. Its totient is φ = 439833600.

The previous prime is 1136529853. The next prime is 1136529929. The reversal of 1136529856 is 6589256311.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1136529856² = 2583400227158761472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136529853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822286 + ... + 823666.

It is an arithmetic number, because the mean of its divisors is an integer number (25274016).

Almost surely, 2^1136529856 is an apocalyptic number.

1136529856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1136529856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415344896).

1136529856 is an abundant number, since it is smaller than the sum of its proper divisors (1694159936).

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

1136529856 is a wasteful number, since it uses less digits than its factorization.

1136529856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1568 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 1136529856 is about 33712.4584686433. The cubic root of 1136529856 is about 1043.5828890144.

The spelling of 1136529856 in words is "one billion, one hundred thirty-six million, five hundred twenty-nine thousand, eight hundred fifty-six".