1304015740 has 24 divisors (see below), whose sum is σ = 2832863040. Its totient is φ = 503619648.

The previous prime is 1304015737. The next prime is 1304015743. The reversal of 1304015740 is 475104031.

It is an interprime number because it is at equal distance from previous prime (1304015737) and next prime (1304015743).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123572 + ... + 1124731.

It is an arithmetic number, because the mean of its divisors is an integer number (118035960).

Almost surely, 2^1304015740 is an apocalyptic number.

1304015740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304015740 is an abundant number, since it is smaller than the sum of its proper divisors (1528847300).

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

1304015740 is a wasteful number, since it uses less digits than its factorization.

1304015740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248341 (or 2248339 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1304015740 is about 36111.1581093711. The cubic root of 1304015740 is about 1092.5155099761.

Adding to 1304015740 its reverse (475104031), we get a palindrome (1779119771).

The spelling of 1304015740 in words is "one billion, three hundred four million, fifteen thousand, seven hundred forty".