135543126 has 16 divisors (see below), whose sum is σ = 271346544. Its totient is φ = 45137664.

The previous prime is 135543113. The next prime is 135543151. The reversal of 135543126 is 621345531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135543093 and 135543102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (16959159).

Almost surely, 2^135543126 is an apocalyptic number.

135543126 is an abundant number, since it is smaller than the sum of its proper divisors (135803418).

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

135543126 is a wasteful number, since it uses less digits than its factorization.

135543126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21695.

The product of its digits is 10800, while the sum is 30.

The square root of 135543126 is about 11642.2989997680. The cubic root of 135543126 is about 513.6798134060.

Adding to 135543126 its reverse (621345531), we get a palindrome (756888657).

The spelling of 135543126 in words is "one hundred thirty-five million, five hundred forty-three thousand, one hundred twenty-six".