1345000205 has 16 divisors (see below), whose sum is σ = 1632259200. Its totient is φ = 1063896768.

The previous prime is 1345000199. The next prime is 1345000211. The reversal of 1345000205 is 5020005431.

It is an interprime number because it is at equal distance from previous prime (1345000199) and next prime (1345000211).

It is a cyclic number.

It is not a de Polignac number, because 1345000205 - 2¹⁰ = 1344999181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158039 + ... + 166331.

It is an arithmetic number, because the mean of its divisors is an integer number (102016200).

Almost surely, 2^1345000205 is an apocalyptic number.

It is an amenable number.

1345000205 is a deficient number, since it is larger than the sum of its proper divisors (287258995).

1345000205 is a wasteful number, since it uses less digits than its factorization.

1345000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1345000205 is about 36674.2444366615. The cubic root of 1345000205 is about 1103.8433615744.

Adding to 1345000205 its reverse (5020005431), we get a palindrome (6365005636).

The spelling of 1345000205 in words is "one billion, three hundred forty-five million, two hundred five", and thus it is an aban number.