1345330205 has 8 divisors (see below), whose sum is σ = 1617122232. Its totient is φ = 1074446848.

The previous prime is 1345330199. The next prime is 1345330229. The reversal of 1345330205 is 5020335431.

It can be written as a sum of positive squares in 4 ways, for example, as 22335076 + 1322995129 = 4726^2 + 36373^2 .

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 1345330205 - 2¹² = 1345326109 is a prime.

It is a super-3 number, since 3×1345330205³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223904 + ... + 229833.

It is an arithmetic number, because the mean of its divisors is an integer number (202140279).

Almost surely, 2^1345330205 is an apocalyptic number.

It is an amenable number.

1345330205 is a deficient number, since it is larger than the sum of its proper divisors (271792027).

1345330205 is an equidigital number, since it uses as much as digits as its factorization.

1345330205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454335.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1345330205 is about 36678.7432309233. The cubic root of 1345330205 is about 1103.9336313306.

Adding to 1345330205 its reverse (5020335431), we get a palindrome (6365665636).

The spelling of 1345330205 in words is "one billion, three hundred forty-five million, three hundred thirty thousand, two hundred five".