13135534 has 8 divisors (see below), whose sum is σ = 19887768. Its totient is φ = 6506280.

The previous prime is 13135523. The next prime is 13135541. The reversal of 13135534 is 43553131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13135499 and 13135508.

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 3 ways as a sum of consecutive naturals, for example, 30477 + ... + 30904.

It is an arithmetic number, because the mean of its divisors is an integer number (2485971).

Almost surely, 2^13135534 is an apocalyptic number.

13135534 is a deficient number, since it is larger than the sum of its proper divisors (6752234).

13135534 is a wasteful number, since it uses less digits than its factorization.

13135534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61490.

The product of its digits is 2700, while the sum is 25.

The square root of 13135534 is about 3624.2977250772. The cubic root of 13135534 is about 235.9477884115.

Adding to 13135534 its reverse (43553131), we get a palindrome (56688665).

The spelling of 13135534 in words is "thirteen million, one hundred thirty-five thousand, five hundred thirty-four".