1408135 has 4 divisors (see below), whose sum is σ = 1689768. Its totient is φ = 1126504.

The previous prime is 1408123. The next prime is 1408151. The reversal of 1408135 is 5318041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5318041 = 61 ⋅87181.

It is a cyclic number.

It is not a de Polignac number, because 1408135 - 2⁷ = 1408007 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, 140809 + ... + 140818.

It is an arithmetic number, because the mean of its divisors is an integer number (422442).

2^1408135 is an apocalyptic number.

1408135 is a deficient number, since it is larger than the sum of its proper divisors (281633).

1408135 is an equidigital number, since it uses as much as digits as its factorization.

1408135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281632.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1408135 is about 1186.6486421852. The cubic root of 1408135 is about 112.0851552643.

The spelling of 1408135 in words is "one million, four hundred eight thousand, one hundred thirty-five".