1135890888 has 96 divisors (see below), whose sum is σ = 3131352000. Its totient is φ = 343108480.

The previous prime is 1135890883. The next prime is 1135890893. The reversal of 1135890888 is 8880985311.

It is an interprime number because it is at equal distance from previous prime (1135890883) and next prime (1135890893).

It is a self number, because there is not a number n which added to its sum of digits gives 1135890888.

It is not an unprimeable number, because it can be changed into a prime (1135890883) 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 23 ways as a sum of consecutive naturals, for example, 1739170 + ... + 1739822.

It is an arithmetic number, because the mean of its divisors is an integer number (32618250).

Almost surely, 2^1135890888 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 1135890888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565676000).

1135890888 is an abundant number, since it is smaller than the sum of its proper divisors (1995461112).

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

1135890888 is a wasteful number, since it uses less digits than its factorization.

1135890888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 51.

The square root of 1135890888 is about 33702.9804023324. The cubic root of 1135890888 is about 1043.3872815781.

The spelling of 1135890888 in words is "one billion, one hundred thirty-five million, eight hundred ninety thousand, eight hundred eighty-eight".