1094400913 has 4 divisors (see below), whose sum is σ = 1098761328. Its totient is φ = 1090040500.

The previous prime is 1094400907. The next prime is 1094400947. The reversal of 1094400913 is 3190044901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3190044901 = 673 ⋅4740037.

It is a cyclic number.

It is not a de Polignac number, because 1094400913 - 2²⁵ = 1060846481 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094400113) 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, 2179831 + ... + 2180332.

It is an arithmetic number, because the mean of its divisors is an integer number (274690332).

Almost surely, 2^1094400913 is an apocalyptic number.

It is an amenable number.

1094400913 is a deficient number, since it is larger than the sum of its proper divisors (4360415).

1094400913 is an equidigital number, since it uses as much as digits as its factorization.

1094400913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360414.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1094400913 is about 33081.7308041765. The cubic root of 1094400913 is about 1030.5256728529.

The spelling of 1094400913 in words is "one billion, ninety-four million, four hundred thousand, nine hundred thirteen".