1366135 has 8 divisors (see below), whose sum is σ = 1648800. Its totient is φ = 1086624.

The previous prime is 1366121. The next prime is 1366159. The reversal of 1366135 is 5316631.

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

It is a 5-Lehmer number, since φ(1366135) divides (1366135-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 1366135 - 2¹⁷ = 1235063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 1681.

It is an arithmetic number, because the mean of its divisors is an integer number (206100).

2^1366135 is an apocalyptic number.

1366135 is a deficient number, since it is larger than the sum of its proper divisors (282665).

1366135 is a wasteful number, since it uses less digits than its factorization.

1366135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

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

The square root of 1366135 is about 1168.8177787833. The cubic root of 1366135 is about 110.9595123284.

The spelling of 1366135 in words is "one million, three hundred sixty-six thousand, one hundred thirty-five".