1304015340 has 24 divisors (see below), whose sum is σ = 3651243120. Its totient is φ = 347737408.

The previous prime is 1304015327. The next prime is 1304015357. The reversal of 1304015340 is 435104031.

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, 10866735 + ... + 10866854.

It is an arithmetic number, because the mean of its divisors is an integer number (152135130).

Almost surely, 2^1304015340 is an apocalyptic number.

1304015340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304015340 is an abundant number, since it is smaller than the sum of its proper divisors (2347227780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304015340 is a wasteful number, since it uses less digits than its factorization.

1304015340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733601 (or 21733599 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1304015340 is about 36111.1525709164. The cubic root of 1304015340 is about 1092.5153982682.

Adding to 1304015340 its reverse (435104031), we get a palindrome (1739119371).

The spelling of 1304015340 in words is "one billion, three hundred four million, fifteen thousand, three hundred forty".