1304452133 has 4 divisors (see below), whose sum is σ = 1308393408. Its totient is φ = 1300510860.

The previous prime is 1304452129. The next prime is 1304452141. The reversal of 1304452133 is 3312544031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1304452133 - 2² = 1304452129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304452183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1970141 + ... + 1970802.

It is an arithmetic number, because the mean of its divisors is an integer number (327098352).

Almost surely, 2^1304452133 is an apocalyptic number.

It is an amenable number.

1304452133 is a deficient number, since it is larger than the sum of its proper divisors (3941275).

1304452133 is an equidigital number, since it uses as much as digits as its factorization.

1304452133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941274.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1304452133 is about 36117.1999606836. The cubic root of 1304452133 is about 1092.6373676430.

Adding to 1304452133 its reverse (3312544031), we get a palindrome (4616996164).

The spelling of 1304452133 in words is "one billion, three hundred four million, four hundred fifty-two thousand, one hundred thirty-three".