1304240065 has 8 divisors (see below), whose sum is σ = 1566315648. Its totient is φ = 1042573680.

The previous prime is 1304240033. The next prime is 1304240071. The reversal of 1304240065 is 5600424031.

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

It is not a de Polignac number, because 1304240065 - 2⁵ = 1304240033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95241 + ... + 108070.

It is an arithmetic number, because the mean of its divisors is an integer number (195789456).

Almost surely, 2^1304240065 is an apocalyptic number.

It is an amenable number.

1304240065 is a deficient number, since it is larger than the sum of its proper divisors (262075583).

1304240065 is a wasteful number, since it uses less digits than its factorization.

1304240065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204599.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1304240065 is about 36114.2640102218. The cubic root of 1304240065 is about 1092.5781535169.

Adding to 1304240065 its reverse (5600424031), we get a palindrome (6904664096).

The spelling of 1304240065 in words is "one billion, three hundred four million, two hundred forty thousand, sixty-five".