1364605505 has 4 divisors (see below), whose sum is σ = 1637526612. Its totient is φ = 1091684400.

The previous prime is 1364605499. The next prime is 1364605507. The reversal of 1364605505 is 5055064631.

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 889888561 + 474716944 = 29831^2 + 21788^2 .

It is not a de Polignac number, because 1364605505 - 2¹⁰ = 1364604481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364605507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136460546 + ... + 136460555.

It is an arithmetic number, because the mean of its divisors is an integer number (409381653).

Almost surely, 2^1364605505 is an apocalyptic number.

It is an amenable number.

1364605505 is a deficient number, since it is larger than the sum of its proper divisors (272921107).

1364605505 is an equidigital number, since it uses as much as digits as its factorization.

1364605505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272921106.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1364605505 is about 36940.5671992188. The cubic root of 1364605505 is about 1109.1808758050.

The spelling of 1364605505 in words is "one billion, three hundred sixty-four million, six hundred five thousand, five hundred five".