1304081402 has 24 divisors (see below), whose sum is σ = 2186513280. Its totient is φ = 582463440.

The previous prime is 1304081399. The next prime is 1304081419. The reversal of 1304081402 is 2041804031.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51752 + ... + 72707.

It is an arithmetic number, because the mean of its divisors is an integer number (91104720).

Almost surely, 2^1304081402 is an apocalyptic number.

1304081402 is a deficient number, since it is larger than the sum of its proper divisors (882431878).

1304081402 is a wasteful number, since it uses less digits than its factorization.

1304081402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124518 (or 124505 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1304081402 is about 36112.0672628970. The cubic root of 1304081402 is about 1092.5338470628.

Adding to 1304081402 its reverse (2041804031), we get a palindrome (3345885433).

The spelling of 1304081402 in words is "one billion, three hundred four million, eighty-one thousand, four hundred two".