1304015745 has 16 divisors (see below), whose sum is σ = 2087274240. Its totient is φ = 695192064.

The previous prime is 1304015743. The next prime is 1304015759. The reversal of 1304015745 is 5475104031.

1304015745 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1304015745 - 2¹ = 1304015743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304015743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23496 + ... + 56214.

It is an arithmetic number, because the mean of its divisors is an integer number (130454640).

Almost surely, 2^1304015745 is an apocalyptic number.

1304015745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304015745 is a deficient number, since it is larger than the sum of its proper divisors (783258495).

1304015745 is a wasteful number, since it uses less digits than its factorization.

1304015745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35384.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1304015745 is about 36111.1581786018. The cubic root of 1304015745 is about 1092.5155113724.

Adding to 1304015745 its reverse (5475104031), we get a palindrome (6779119776).

The spelling of 1304015745 in words is "one billion, three hundred four million, fifteen thousand, seven hundred forty-five".