1109306438 has 8 divisors (see below), whose sum is σ = 1664877888. Its totient is φ = 554347144.

The previous prime is 1109306437. The next prime is 1109306447. The reversal of 1109306438 is 8346039011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1109306398 and 1109306407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109306437) 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 3 ways as a sum of consecutive naturals, for example, 148481 + ... + 155772.

It is an arithmetic number, because the mean of its divisors is an integer number (208109736).

Almost surely, 2^1109306438 is an apocalyptic number.

1109306438 is a deficient number, since it is larger than the sum of its proper divisors (555571450).

1109306438 is a wasteful number, since it uses less digits than its factorization.

1109306438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306078.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1109306438 is about 33306.2522358791. The cubic root of 1109306438 is about 1035.1831108885.

The spelling of 1109306438 in words is "one billion, one hundred nine million, three hundred six thousand, four hundred thirty-eight".