1345265202309 has 16 divisors (see below), whose sum is σ = 2097600671232. Its totient is φ = 750845693808.

The previous prime is 1345265202293. The next prime is 1345265202367. The reversal of 1345265202309 is 9032025625431.

It is not a de Polignac number, because 1345265202309 - 2⁴ = 1345265202293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345265202389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744885699 + ... + 744887504.

It is an arithmetic number, because the mean of its divisors is an integer number (131100041952).

Almost surely, 2^{1345265202309} is an apocalyptic number.

It is an amenable number.

1345265202309 is a deficient number, since it is larger than the sum of its proper divisors (752335468923).

1345265202309 is a wasteful number, since it uses less digits than its factorization.

1345265202309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489773256.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1345265202309 in words is "one trillion, three hundred forty-five billion, two hundred sixty-five million, two hundred two thousand, three hundred nine".