1304134452 has 96 divisors (see below), whose sum is σ = 3428633600. Its totient is φ = 428652000.

The previous prime is 1304134451. The next prime is 1304134453. The reversal of 1304134452 is 2544314031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1304134451) and next prime (1304134453).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304134451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3440799 + ... + 3441177.

Almost surely, 2^1304134452 is an apocalyptic number.

1304134452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304134452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714316800).

1304134452 is an abundant number, since it is smaller than the sum of its proper divisors (2124499148).

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

1304134452 is a wasteful number, since it uses less digits than its factorization.

1304134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1304134452 is about 36112.8017744400. The cubic root of 1304134452 is about 1092.5486616121.

Adding to 1304134452 its reverse (2544314031), we get a palindrome (3848448483).

The spelling of 1304134452 in words is "one billion, three hundred four million, one hundred thirty-four thousand, four hundred fifty-two".