1304105564 has 36 divisors (see below), whose sum is σ = 2458627920. Its totient is φ = 605015040.

The previous prime is 1304105563. The next prime is 1304105597. The reversal of 1304105564 is 4655014031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304105563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74132 + ... + 90020.

It is an arithmetic number, because the mean of its divisors is an integer number (68295220).

Almost surely, 2^1304105564 is an apocalyptic number.

It is an amenable number.

1304105564 is a deficient number, since it is larger than the sum of its proper divisors (1154522356).

1304105564 is a wasteful number, since it uses less digits than its factorization.

1304105564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998 (or 15979 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1304105564 is about 36112.4018032587. The cubic root of 1304105564 is about 1092.5405945046.

Adding to 1304105564 its reverse (4655014031), we get a palindrome (5959119595).

The spelling of 1304105564 in words is "one billion, three hundred four million, one hundred five thousand, five hundred sixty-four".