1365001365 has 64 divisors (see below), whose sum is σ = 2714890752. Its totient is φ = 570240000.

The previous prime is 1365001361. The next prime is 1365001369. The reversal of 1365001365 is 5631005631.

It is an interprime number because it is at equal distance from previous prime (1365001361) and next prime (1365001369).

It is not a de Polignac number, because 1365001365 - 2² = 1365001361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365001361) 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 63 ways as a sum of consecutive naturals, for example, 132915 + ... + 142815.

It is an arithmetic number, because the mean of its divisors is an integer number (42420168).

Almost surely, 2^1365001365 is an apocalyptic number.

1365001365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365001365 is a deficient number, since it is larger than the sum of its proper divisors (1349889387).

1365001365 is a wasteful number, since it uses less digits than its factorization.

1365001365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1365001365 is about 36945.9248767709. The cubic root of 1365001365 is about 1109.2881199594.

Adding to 1365001365 its reverse (5631005631), we get a palindrome (6996006996).

It can be divided in two parts, 136500 and 1365, that multiplied together give a square (186322500 = 13650²).

The spelling of 1365001365 in words is "one billion, three hundred sixty-five million, one thousand, three hundred sixty-five".