1108134409 has 4 divisors (see below), whose sum is σ = 1173318804. Its totient is φ = 1042950016.

The previous prime is 1108134389. The next prime is 1108134427. The reversal of 1108134409 is 9044318011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 357210000 + 750924409 = 18900^2 + 27403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108134409 - 2⁷ = 1108134281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108134449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32592172 + ... + 32592205.

It is an arithmetic number, because the mean of its divisors is an integer number (293329701).

Almost surely, 2^1108134409 is an apocalyptic number.

It is an amenable number.

1108134409 is a deficient number, since it is larger than the sum of its proper divisors (65184395).

1108134409 is an equidigital number, since it uses as much as digits as its factorization.

1108134409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65184394.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1108134409 is about 33288.6528564915. The cubic root of 1108134409 is about 1034.8184108909.

The spelling of 1108134409 in words is "one billion, one hundred eight million, one hundred thirty-four thousand, four hundred nine".