1304134312 has 64 divisors (see below), whose sum is σ = 2789640000. Its totient is φ = 566590464.

The previous prime is 1304134309. The next prime is 1304134343. The reversal of 1304134312 is 2134314031.

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, 320064 + ... + 324112.

It is an arithmetic number, because the mean of its divisors is an integer number (43588125).

Almost surely, 2^1304134312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304134312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394820000).

1304134312 is an abundant number, since it is smaller than the sum of its proper divisors (1485505688).

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

1304134312 is a wasteful number, since it uses less digits than its factorization.

1304134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250 (or 4246 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1304134312 is about 36112.7998360692. The cubic root of 1304134312 is about 1092.5486225168.

Adding to 1304134312 its reverse (2134314031), we get a palindrome (3438448343).

The spelling of 1304134312 in words is "one billion, three hundred four million, one hundred thirty-four thousand, three hundred twelve".