1109539384 has 8 divisors (see below), whose sum is σ = 2080386360. Its totient is φ = 554769688.

The previous prime is 1109539369. The next prime is 1109539411. The reversal of 1109539384 is 4839359011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1109539384.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 69346204 + ... + 69346219.

It is an arithmetic number, because the mean of its divisors is an integer number (260048295).

Almost surely, 2^1109539384 is an apocalyptic number.

It is an amenable number.

1109539384 is a deficient number, since it is larger than the sum of its proper divisors (970846976).

1109539384 is a wasteful number, since it uses less digits than its factorization.

1109539384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138692429 (or 138692425 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1109539384 is about 33309.7490834140. The cubic root of 1109539384 is about 1035.2555660368.

The spelling of 1109539384 in words is "one billion, one hundred nine million, five hundred thirty-nine thousand, three hundred eighty-four".