1304016005 has 8 divisors (see below), whose sum is σ = 1576242072. Its totient is φ = 1035597568.

The previous prime is 1304015989. The next prime is 1304016011. The reversal of 1304016005 is 5006104031.

It can be written as a sum of positive squares in 4 ways, for example, as 240343009 + 1063672996 = 15503^2 + 32614^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1304016005 - 2⁴ = 1304015989 is a prime.

It is a Duffinian number.

It is a congruent 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, 951152 + ... + 952521.

It is an arithmetic number, because the mean of its divisors is an integer number (197030259).

Almost surely, 2^1304016005 is an apocalyptic number.

It is an amenable number.

1304016005 is a deficient number, since it is larger than the sum of its proper divisors (272226067).

1304016005 is a wasteful number, since it uses less digits than its factorization.

1304016005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903815.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1304016005 is about 36111.1617785969. The cubic root of 1304016005 is about 1092.5155839825.

The spelling of 1304016005 in words is "one billion, three hundred four million, sixteen thousand, five".