135542518 has 16 divisors (see below), whose sum is σ = 207549216. Its totient is φ = 66364480.

The previous prime is 135542503. The next prime is 135542527. The reversal of 135542518 is 815245531.

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, 77898 + ... + 79618.

It is an arithmetic number, because the mean of its divisors is an integer number (12971826).

Almost surely, 2^135542518 is an apocalyptic number.

135542518 is a deficient number, since it is larger than the sum of its proper divisors (72006698).

135542518 is a wasteful number, since it uses less digits than its factorization.

135542518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519.

The product of its digits is 24000, while the sum is 34.

The square root of 135542518 is about 11642.2728880576. The cubic root of 135542518 is about 513.6790453410.

The spelling of 135542518 in words is "one hundred thirty-five million, five hundred forty-two thousand, five hundred eighteen".