1330939213 has 4 divisors (see below), whose sum is σ = 1373872768. Its totient is φ = 1288005660.

The previous prime is 1330939201. The next prime is 1330939219. The reversal of 1330939213 is 3129390331.

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 a de Polignac number, because none of the positive numbers 2^k-1330939213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330939219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21466731 + ... + 21466792.

It is an arithmetic number, because the mean of its divisors is an integer number (343468192).

Almost surely, 2^1330939213 is an apocalyptic number.

It is an amenable number.

1330939213 is a deficient number, since it is larger than the sum of its proper divisors (42933555).

1330939213 is an equidigital number, since it uses as much as digits as its factorization.

1330939213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42933554.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 1330939213 is about 36482.0395948472. The cubic root of 1330939213 is about 1099.9832540150.

The spelling of 1330939213 in words is "one billion, three hundred thirty million, nine hundred thirty-nine thousand, two hundred thirteen".