1366105 has 8 divisors (see below), whose sum is σ = 1765512. Its totient is φ = 1008768.

The previous prime is 1366093. The next prime is 1366109. The reversal of 1366105 is 5016631.

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 1281424 = 291^2 + 1132^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1366105 - 2⁷ = 1365977 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1366109) 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, 10444 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (220689).

2^1366105 is an apocalyptic number.

It is an amenable number.

1366105 is a deficient number, since it is larger than the sum of its proper divisors (399407).

1366105 is a wasteful number, since it uses less digits than its factorization.

1366105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21035.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1366105 is about 1168.8049452325. The cubic root of 1366105 is about 110.9587001076.

It can be divided in two parts, 136 and 6105, that added together give a square (6241 = 79²).

The spelling of 1366105 in words is "one million, three hundred sixty-six thousand, one hundred five".