1135986688 has 48 divisors (see below), whose sum is σ = 2286533340. Its totient is φ = 564215808.

The previous prime is 1135986673. The next prime is 1135986697. The reversal of 1135986688 is 8866895311.

It can be written as a sum of positive squares in 2 ways, for example, as 1131111424 + 4875264 = 33632^2 + 2208^2 .

It is an unprimeable number.

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, 319770 + ... + 323302.

Almost surely, 2^1135986688 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 1135986688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143266670).

1135986688 is an abundant number, since it is smaller than the sum of its proper divisors (1150546652).

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

1135986688 is an equidigital number, since it uses as much as digits as its factorization.

1135986688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712 (or 3692 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 55.

The square root of 1135986688 is about 33704.4016116590. The cubic root of 1135986688 is about 1043.4166135303.

The spelling of 1135986688 in words is "one billion, one hundred thirty-five million, nine hundred eighty-six thousand, six hundred eighty-eight".