1330545005 has 4 divisors (see below), whose sum is σ = 1596654012. Its totient is φ = 1064436000.

The previous prime is 1330544981. The next prime is 1330545011. The reversal of 1330545005 is 5005450331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005450331 = 7 ⋅715064333.

It can be written as a sum of positive squares in 2 ways, for example, as 886431529 + 444113476 = 29773^2 + 21074^2 .

It is not a de Polignac number, because 1330545005 - 2²⁴ = 1313767789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133054496 + ... + 133054505.

It is an arithmetic number, because the mean of its divisors is an integer number (399163503).

Almost surely, 2^1330545005 is an apocalyptic number.

It is an amenable number.

1330545005 is a deficient number, since it is larger than the sum of its proper divisors (266109007).

1330545005 is an equidigital number, since it uses as much as digits as its factorization.

1330545005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266109006.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1330545005 is about 36476.6364266225. The cubic root of 1330545005 is about 1099.8746427395.

Adding to 1330545005 its reverse (5005450331), we get a palindrome (6335995336).

The spelling of 1330545005 in words is "one billion, three hundred thirty million, five hundred forty-five thousand, five".