1135531828 has 12 divisors (see below), whose sum is σ = 1987427232. Its totient is φ = 567695480.

The previous prime is 1135531823. The next prime is 1135531841. The reversal of 1135531828 is 8281355311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135531823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38601 + ... + 61327.

It is an arithmetic number, because the mean of its divisors is an integer number (165618936).

Almost surely, 2^1135531828 is an apocalyptic number.

It is an amenable number.

1135531828 is a deficient number, since it is larger than the sum of its proper divisors (851895404).

1135531828 is a wasteful number, since it uses less digits than its factorization.

1135531828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35222 (or 35220 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 1135531828 is about 33697.6531527049. The cubic root of 1135531828 is about 1043.2773302547.

The spelling of 1135531828 in words is "one billion, one hundred thirty-five million, five hundred thirty-one thousand, eight hundred twenty-eight".