1330344057 has 16 divisors (see below), whose sum is σ = 2097095040. Its totient is φ = 733982592.

The previous prime is 1330344049. The next prime is 1330344089. The reversal of 1330344057 is 7504430331.

It is not a de Polignac number, because 1330344057 - 2³ = 1330344049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330344007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091628 + ... + 1092845.

It is an arithmetic number, because the mean of its divisors is an integer number (131068440).

Almost surely, 2^1330344057 is an apocalyptic number.

It is an amenable number.

1330344057 is a deficient number, since it is larger than the sum of its proper divisors (766750983).

1330344057 is a wasteful number, since it uses less digits than its factorization.

1330344057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184512.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 1330344057 is about 36473.8818471519. The cubic root of 1330344057 is about 1099.8192697566.

Adding to 1330344057 its reverse (7504430331), we get a palindrome (8834774388).

The spelling of 1330344057 in words is "one billion, three hundred thirty million, three hundred forty-four thousand, fifty-seven".