1306465133 has 2 divisors, whose sum is σ = 1306465134. Its totient is φ = 1306465132.

The previous prime is 1306465103. The next prime is 1306465141. The reversal of 1306465133 is 3315646031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1272848329 + 33616804 = 35677^2 + 5798^2 .

It is an emirp because it is prime and its reverse (3315646031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1306465133 - 2²⁰ = 1305416557 is a prime.

It is a super-2 number, since 2×1306465133² = 3413702287489415378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1306465133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306465103) 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 as a sum of consecutive naturals, namely, 653232566 + 653232567.

It is an arithmetic number, because the mean of its divisors is an integer number (653232567).

Almost surely, 2^1306465133 is an apocalyptic number.

It is an amenable number.

1306465133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306465133 is an equidigital number, since it uses as much as digits as its factorization.

1306465133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1306465133 is about 36145.0568266257. The cubic root of 1306465133 is about 1093.1991229167.

The spelling of 1306465133 in words is "one billion, three hundred six million, four hundred sixty-five thousand, one hundred thirty-three".