1109071814 has 4 divisors (see below), whose sum is σ = 1663607724. Its totient is φ = 554535906.

The previous prime is 1109071811. The next prime is 1109071829. The reversal of 1109071814 is 4181709011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4181709011 = 17 ⋅245982883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109071811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277267952 + ... + 277267955.

It is an arithmetic number, because the mean of its divisors is an integer number (415901931).

Almost surely, 2^1109071814 is an apocalyptic number.

1109071814 is a deficient number, since it is larger than the sum of its proper divisors (554535910).

1109071814 is an equidigital number, since it uses as much as digits as its factorization.

1109071814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554535909.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 1109071814 is about 33302.7298280486. The cubic root of 1109071814 is about 1035.1101235637.

The spelling of 1109071814 in words is "one billion, one hundred nine million, seventy-one thousand, eight hundred fourteen".