1304601540 has 96 divisors (see below), whose sum is σ = 4122437760. Its totient is φ = 305356800.

The previous prime is 1304601523. The next prime is 1304601559. The reversal of 1304601540 is 451064031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304601540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14941 + ... + 53220.

It is an arithmetic number, because the mean of its divisors is an integer number (42942060).

Almost surely, 2^1304601540 is an apocalyptic number.

1304601540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304601540 is an abundant number, since it is smaller than the sum of its proper divisors (2817836220).

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

1304601540 is a wasteful number, since it uses less digits than its factorization.

1304601540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68213 (or 68211 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1304601540 is about 36119.2682650133. The cubic root of 1304601540 is about 1092.6790815638.

Adding to 1304601540 its reverse (451064031), we get a palindrome (1755665571).

The spelling of 1304601540 in words is "one billion, three hundred four million, six hundred one thousand, five hundred forty".