1304136213 has 8 divisors (see below), whose sum is σ = 1775845248. Its totient is φ = 850925664.

The previous prime is 1304136161. The next prime is 1304136217. The reversal of 1304136213 is 3126314031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304136213 - 2⁶ = 1304136149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304136217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4624456 + ... + 4624737.

It is an arithmetic number, because the mean of its divisors is an integer number (221980656).

Almost surely, 2^1304136213 is an apocalyptic number.

It is an amenable number.

1304136213 is a deficient number, since it is larger than the sum of its proper divisors (471709035).

1304136213 is an equidigital number, since it uses as much as digits as its factorization.

1304136213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249243.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1304136213 is about 36112.8261563672. The cubic root of 1304136213 is about 1092.5491533757.

The spelling of 1304136213 in words is "one billion, three hundred four million, one hundred thirty-six thousand, two hundred thirteen".