1368745565 has 16 divisors (see below), whose sum is σ = 1897214400. Its totient is φ = 936894720.

The previous prime is 1368745529. The next prime is 1368745583. The reversal of 1368745565 is 5655478631.

It is not a de Polignac number, because 1368745565 - 2⁸ = 1368745309 is a prime.

It is a Curzon number.

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, 731015 + ... + 732884.

It is an arithmetic number, because the mean of its divisors is an integer number (118575900).

Almost surely, 2^1368745565 is an apocalyptic number.

It is an amenable number.

1368745565 is a deficient number, since it is larger than the sum of its proper divisors (528468835).

1368745565 is a wasteful number, since it uses less digits than its factorization.

1368745565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463932.

The product of its digits is 3024000, while the sum is 50.

The square root of 1368745565 is about 36996.5615294178. The cubic root of 1368745565 is about 1110.3014534431.

The spelling of 1368745565 in words is "one billion, three hundred sixty-eight million, seven hundred forty-five thousand, five hundred sixty-five".