1330540545 has 8 divisors (see below), whose sum is σ = 2128864896. Its totient is φ = 709621616.

The previous prime is 1330540543. The next prime is 1330540579. The reversal of 1330540545 is 5450450331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330540545 - 2¹ = 1330540543 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1330540543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44351337 + ... + 44351366.

It is an arithmetic number, because the mean of its divisors is an integer number (266108112).

Almost surely, 2^1330540545 is an apocalyptic number.

1330540545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330540545 is a deficient number, since it is larger than the sum of its proper divisors (798324351).

1330540545 is an equidigital number, since it uses as much as digits as its factorization.

1330540545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88702711.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1330540545 is about 36476.5752915484. The cubic root of 1330540545 is about 1099.8734138079.

Adding to 1330540545 its reverse (5450450331), we get a palindrome (6780990876).

The spelling of 1330540545 in words is "one billion, three hundred thirty million, five hundred forty thousand, five hundred forty-five".