1368735 has 8 divisors (see below), whose sum is σ = 2190000. Its totient is φ = 729984.

The previous prime is 1368727. The next prime is 1368737. The reversal of 1368735 is 5378631.

It is a happy number.

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

It is not a de Polignac number, because 1368735 - 2³ = 1368727 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1368696 and 1368705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45610 + ... + 45639.

It is an arithmetic number, because the mean of its divisors is an integer number (273750).

2^1368735 is an apocalyptic number.

1368735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1368735 is a deficient number, since it is larger than the sum of its proper divisors (821265).

1368735 is an equidigital number, since it uses as much as digits as its factorization.

1368735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91257.

The product of its digits is 15120, while the sum is 33.

The square root of 1368735 is about 1169.9294850545. The cubic root of 1368735 is about 111.0298596724.

The spelling of 1368735 in words is "one million, three hundred sixty-eight thousand, seven hundred thirty-five".