135708522 has 16 divisors (see below), whose sum is σ = 271658880. Its totient is φ = 45195872.

The previous prime is 135708511. The next prime is 135708527. The reversal of 135708522 is 225807531.

It is not an unprimeable number, because it can be changed into a prime (135708527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 16637.

It is an arithmetic number, because the mean of its divisors is an integer number (16978680).

Almost surely, 2^135708522 is an apocalyptic number.

135708522 is an abundant number, since it is smaller than the sum of its proper divisors (135950358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135708522 is a wasteful number, since it uses less digits than its factorization.

135708522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 135708522 is about 11649.4000703899. The cubic root of 135708522 is about 513.8886671111. Note that the first 3 decimals are identical.

Subtracting 135708522 from its reverse (225807531), we obtain a palindrome (90099009).

The spelling of 135708522 in words is "one hundred thirty-five million, seven hundred eight thousand, five hundred twenty-two".