1364855 has 4 divisors (see below), whose sum is σ = 1637832. Its totient is φ = 1091880.

The previous prime is 1364821. The next prime is 1364861. The reversal of 1364855 is 5584631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5584631 = 13 ⋅429587.

It is not a de Polignac number, because 1364855 - 2⁶ = 1364791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 136481 + ... + 136490.

It is an arithmetic number, because the mean of its divisors is an integer number (409458).

2^1364855 is an apocalyptic number.

1364855 is a deficient number, since it is larger than the sum of its proper divisors (272977).

1364855 is an equidigital number, since it uses as much as digits as its factorization.

1364855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272976.

The product of its digits is 14400, while the sum is 32.

The square root of 1364855 is about 1168.2700886353. The cubic root of 1364855 is about 110.9248469997.

The spelling of 1364855 in words is "one million, three hundred sixty-four thousand, eight hundred fifty-five".