1109509736 has 16 divisors (see below), whose sum is σ = 2128711200. Its totient is φ = 541853424.

The previous prime is 1109509729. The next prime is 1109509759. The reversal of 1109509736 is 6379059011.

It is a junction number, because it is equal to n+sod(n) for n = 1109509693 and 1109509702.

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, 1612316 + ... + 1613003.

It is an arithmetic number, because the mean of its divisors is an integer number (133044450).

Almost surely, 2^1109509736 is an apocalyptic number.

It is an amenable number.

1109509736 is a deficient number, since it is larger than the sum of its proper divisors (1019201464).

1109509736 is a wasteful number, since it uses less digits than its factorization.

1109509736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225368 (or 3225364 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 1109509736 is about 33309.3040455666. The cubic root of 1109509736 is about 1035.2463449339.

The spelling of 1109509736 in words is "one billion, one hundred nine million, five hundred nine thousand, seven hundred thirty-six".