1094238309 has 4 divisors (see below), whose sum is σ = 1458984416. Its totient is φ = 729492204.

The previous prime is 1094238307. The next prime is 1094238323. The reversal of 1094238309 is 9038324901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1094238309 - 2¹ = 1094238307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094238307) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 182373049 + ... + 182373054.

It is an arithmetic number, because the mean of its divisors is an integer number (364746104).

Almost surely, 2^1094238309 is an apocalyptic number.

It is an amenable number.

1094238309 is a deficient number, since it is larger than the sum of its proper divisors (364746107).

1094238309 is an equidigital number, since it uses as much as digits as its factorization.

1094238309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364746106.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1094238309 is about 33079.2731026545. The cubic root of 1094238309 is about 1030.4746324788.

The spelling of 1094238309 in words is "one billion, ninety-four million, two hundred thirty-eight thousand, three hundred nine".