13040135 has 8 divisors (see below), whose sum is σ = 15846720. Its totient is φ = 10299744.

The previous prime is 13040123. The next prime is 13040141. The reversal of 13040135 is 53104031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13040135 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 16112 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (1980840).

Almost surely, 2^13040135 is an apocalyptic number.

13040135 is a deficient number, since it is larger than the sum of its proper divisors (2806585).

13040135 is an equidigital number, since it uses as much as digits as its factorization.

13040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33097.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13040135 is about 3611.1127094014. The cubic root of 13040135 is about 235.3751966353.

Adding to 13040135 its reverse (53104031), we get a palindrome (66144166).

The spelling of 13040135 in words is "thirteen million, forty thousand, one hundred thirty-five".