1368545585 has 24 divisors (see below), whose sum is σ = 1890832896. Its totient is φ = 942907680.

The previous prime is 1368545567. The next prime is 1368545587. The reversal of 1368545585 is 5855458631.

It is not a de Polignac number, because 1368545585 - 2⁸ = 1368545329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368545587) 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 23 ways as a sum of consecutive naturals, for example, 14609 + ... + 54318.

It is an arithmetic number, because the mean of its divisors is an integer number (78784704).

Almost surely, 2^1368545585 is an apocalyptic number.

It is an amenable number.

1368545585 is a deficient number, since it is larger than the sum of its proper divisors (522287311).

1368545585 is a wasteful number, since it uses less digits than its factorization.

1368545585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68981 (or 68962 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 50.

The square root of 1368545585 is about 36993.8587470948. The cubic root of 1368545585 is about 1110.2473774324.

The spelling of 1368545585 in words is "one billion, three hundred sixty-eight million, five hundred forty-five thousand, five hundred eighty-five".