13530135 has 8 divisors (see below), whose sum is σ = 21648240. Its totient is φ = 7216064.

The previous prime is 13530133. The next prime is 13530151. The reversal of 13530135 is 53103531.

13530135 = 1643² + 1644² + ... + 1647².

It is a happy number.

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 13530135 - 2¹ = 13530133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530131) by changing a digit.

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, 450990 + ... + 451019.

It is an arithmetic number, because the mean of its divisors is an integer number (2706030).

Almost surely, 2^13530135 is an apocalyptic number.

13530135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13530135 is a deficient number, since it is larger than the sum of its proper divisors (8118105).

13530135 is an equidigital number, since it uses as much as digits as its factorization.

13530135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902017.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 13530135 is about 3678.3331822987. Note that the first 3 decimals coincide. The cubic root of 13530135 is about 238.2871977249.

Adding to 13530135 its reverse (53103531), we get a palindrome (66633666).

The spelling of 13530135 in words is "thirteen million, five hundred thirty thousand, one hundred thirty-five".