1330942013 has 2 divisors, whose sum is σ = 1330942014. Its totient is φ = 1330942012.

The previous prime is 1330942009. The next prime is 1330942117. The reversal of 1330942013 is 3102490331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1313192644 + 17749369 = 36238^2 + 4213^2 .

It is an emirp because it is prime and its reverse (3102490331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330942013 - 2² = 1330942009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330942513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665471006 + 665471007.

It is an arithmetic number, because the mean of its divisors is an integer number (665471007).

Almost surely, 2^1330942013 is an apocalyptic number.

It is an amenable number.

1330942013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330942013 is an equidigital number, since it uses as much as digits as its factorization.

1330942013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1330942013 is about 36482.0779698745. The cubic root of 1330942013 is about 1099.9840253878.

The spelling of 1330942013 in words is "one billion, three hundred thirty million, nine hundred forty-two thousand, thirteen".