1133899236 has 36 divisors (see below), whose sum is σ = 2972405072. Its totient is φ = 377966088.

The previous prime is 1133899219. The next prime is 1133899243. The reversal of 1133899236 is 6329983311.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1133899191 and 1133899200.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 582310 + ... + 584253.

Almost surely, 2^1133899236 is an apocalyptic number.

It is an amenable number.

1133899236 is an abundant number, since it is smaller than the sum of its proper divisors (1838505836).

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

1133899236 is a wasteful number, since it uses less digits than its factorization.

1133899236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166582 (or 1166568 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1133899236 is about 33673.4203192963. The cubic root of 1133899236 is about 1042.7771055714. Note that the first 3 decimals are identical.

The spelling of 1133899236 in words is "one billion, one hundred thirty-three million, eight hundred ninety-nine thousand, two hundred thirty-six".