135181134 has 24 divisors (see below), whose sum is σ = 319519512. Its totient is φ = 40963920.

The previous prime is 135181133. The next prime is 135181139. The reversal of 135181134 is 431181531.

135181134 is a `hidden beast` number, since 13 + 518 + 1 + 134 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135181098 and 135181107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135181133) 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 11 ways as a sum of consecutive naturals, for example, 341169 + ... + 341564.

It is an arithmetic number, because the mean of its divisors is an integer number (13313313).

Almost surely, 2^135181134 is an apocalyptic number.

135181134 is an abundant number, since it is smaller than the sum of its proper divisors (184338378).

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

135181134 is a wasteful number, since it uses less digits than its factorization.

135181134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682752 (or 682749 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 135181134 is about 11626.7421920330. The cubic root of 135181134 is about 513.2221146394. Note that the first 3 decimals are identical.

The spelling of 135181134 in words is "one hundred thirty-five million, one hundred eighty-one thousand, one hundred thirty-four".