1345133017 has 4 divisors (see below), whose sum is σ = 1347168676. Its totient is φ = 1343097360.

The previous prime is 1345133003. The next prime is 1345133033. The reversal of 1345133017 is 7103315431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1254293056 + 90839961 = 35416^2 + 9531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345133017 - 2⁷ = 1345132889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345133417) 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, 1016838 + ... + 1018159.

It is an arithmetic number, because the mean of its divisors is an integer number (336792169).

Almost surely, 2^1345133017 is an apocalyptic number.

It is an amenable number.

1345133017 is a deficient number, since it is larger than the sum of its proper divisors (2035659).

1345133017 is an equidigital number, since it uses as much as digits as its factorization.

1345133017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035658.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1345133017 is about 36676.0550904810. The cubic root of 1345133017 is about 1103.8796933704.

Adding to 1345133017 its reverse (7103315431), we get a palindrome (8448448448).

The spelling of 1345133017 in words is "one billion, three hundred forty-five million, one hundred thirty-three thousand, seventeen".