1304131268 has 24 divisors (see below), whose sum is σ = 2636159904. Its totient is φ = 557916800.

The previous prime is 1304131243. The next prime is 1304131277. The reversal of 1304131268 is 8621314031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304131268.

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, 870998 + ... + 872493.

It is an arithmetic number, because the mean of its divisors is an integer number (109839996).

Almost surely, 2^1304131268 is an apocalyptic number.

It is an amenable number.

1304131268 is an abundant number, since it is smaller than the sum of its proper divisors (1332028636).

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

1304131268 is a wasteful number, since it uses less digits than its factorization.

1304131268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743523 (or 1743521 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1304131268 is about 36112.7576903232. The cubic root of 1304131268 is about 1092.5477724713.

Adding to 1304131268 its reverse (8621314031), we get a palindrome (9925445299).

The spelling of 1304131268 in words is "one billion, three hundred four million, one hundred thirty-one thousand, two hundred sixty-eight".