1361365 has 8 divisors (see below), whose sum is σ = 1686528. Its totient is φ = 1053840.

The previous prime is 1361363. The next prime is 1361383. The reversal of 1361365 is 5631631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1361365 - 2¹ = 1361363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4237 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (210816).

2^1361365 is an apocalyptic number.

It is an amenable number.

1361365 is a deficient number, since it is larger than the sum of its proper divisors (325163).

1361365 is an equidigital number, since it uses as much as digits as its factorization.

1361365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8819.

The product of its digits is 1620, while the sum is 25.

The square root of 1361365 is about 1166.7754711169. The cubic root of 1361365 is about 110.8302195719.

Adding to 1361365 its reverse (5631631), we get a palindrome (6992996).

The spelling of 1361365 in words is "one million, three hundred sixty-one thousand, three hundred sixty-five".