1330385229 has 10 divisors (see below), whose sum is σ = 1987365710. Its totient is φ = 886923432.

The previous prime is 1330385197. The next prime is 1330385233. The reversal of 1330385229 is 9225830331.

It can be written as a sum of positive squares in only one way, i.e., 1004763204 + 325622025 = 31698^2 + 18045^2 .

It is not a de Polignac number, because 1330385229 - 2⁵ = 1330385197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330385193 and 1330385202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330385239) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8212174 + ... + 8212335.

It is an arithmetic number, because the mean of its divisors is an integer number (198736571).

Almost surely, 2^1330385229 is an apocalyptic number.

It is an amenable number.

1330385229 is a deficient number, since it is larger than the sum of its proper divisors (656980481).

1330385229 is an equidigital number, since it uses as much as digits as its factorization.

1330385229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424521 (or 16424512 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1330385229 is about 36474.4462466533. The cubic root of 1330385229 is about 1099.8306155163.

The spelling of 1330385229 in words is "one billion, three hundred thirty million, three hundred eighty-five thousand, two hundred twenty-nine".