1356365 has 4 divisors (see below), whose sum is σ = 1627644. Its totient is φ = 1085088.

The previous prime is 1356337. The next prime is 1356371. The reversal of 1356365 is 5636531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5636531 = 179 ⋅31489.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 687241 = 818^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356365 - 2⁸ = 1356109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135632 + ... + 135641.

It is an arithmetic number, because the mean of its divisors is an integer number (406911).

2^1356365 is an apocalyptic number.

It is an amenable number.

1356365 is a deficient number, since it is larger than the sum of its proper divisors (271279).

1356365 is an equidigital number, since it uses as much as digits as its factorization.

1356365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271278.

The product of its digits is 8100, while the sum is 29.

The square root of 1356365 is about 1164.6308427996. The cubic root of 1356365 is about 110.6943679545.

The spelling of 1356365 in words is "one million, three hundred fifty-six thousand, three hundred sixty-five".