1109734919 has 8 divisors (see below), whose sum is σ = 1178481840. Its totient is φ = 1042022016.

The previous prime is 1109734861. The next prime is 1109734937. The reversal of 1109734919 is 9194379011.

It is a happy number.

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

It is not a de Polignac number, because 1109734919 - 2¹⁶ = 1109669383 is a prime.

It is a super-2 number, since 2×1109734919² = 2463023180895873122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1109734919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109734939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256292 + ... + 260585.

It is an arithmetic number, because the mean of its divisors is an integer number (147310230).

Almost surely, 2^1109734919 is an apocalyptic number.

1109734919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1109734919 is a deficient number, since it is larger than the sum of its proper divisors (68746921).

1109734919 is a wasteful number, since it uses less digits than its factorization.

1109734919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517009.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 1109734919 is about 33312.6840557767. The cubic root of 1109734919 is about 1035.3163770994.

The spelling of 1109734919 in words is "one billion, one hundred nine million, seven hundred thirty-four thousand, nine hundred nineteen".