135534015 has 24 divisors (see below), whose sum is σ = 242506368. Its totient is φ = 69952320.

The previous prime is 135534001. The next prime is 135534017. The reversal of 135534015 is 510435531.

It is not a de Polignac number, because 135534015 - 2⁴ = 135533999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135534015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135534017) 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 23 ways as a sum of consecutive naturals, for example, 47184 + ... + 49973.

It is an arithmetic number, because the mean of its divisors is an integer number (10104432).

Almost surely, 2^135534015 is an apocalyptic number.

135534015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135534015 is a deficient number, since it is larger than the sum of its proper divisors (106972353).

135534015 is a wasteful number, since it uses less digits than its factorization.

135534015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97199 (or 97196 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 135534015 is about 11641.9077044959. The cubic root of 135534015 is about 513.6683035597.

Adding to 135534015 its reverse (510435531), we get a palindrome (645969546).

The spelling of 135534015 in words is "one hundred thirty-five million, five hundred thirty-four thousand, fifteen".