1304320134 has 32 divisors (see below), whose sum is σ = 2812126464. Its totient is φ = 400926240.

The previous prime is 1304320123. The next prime is 1304320177. The reversal of 1304320134 is 4310234031.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304320134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75049 + ... + 90779.

It is an arithmetic number, because the mean of its divisors is an integer number (87878952).

Almost surely, 2^1304320134 is an apocalyptic number.

1304320134 is an abundant number, since it is smaller than the sum of its proper divisors (1507806330).

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

1304320134 is a wasteful number, since it uses less digits than its factorization.

1304320134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16812.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1304320134 is about 36115.3725441120. The cubic root of 1304320134 is about 1092.6005113257.

Adding to 1304320134 its reverse (4310234031), we get a palindrome (5614554165).

The spelling of 1304320134 in words is "one billion, three hundred four million, three hundred twenty thousand, one hundred thirty-four".