135181712 has 20 divisors (see below), whose sum is σ = 262315056. Its totient is φ = 67487520.

The previous prime is 135181687. The next prime is 135181727. The reversal of 135181712 is 217181531.

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 3 ways as a sum of consecutive naturals, for example, 4943 + ... + 17169.

Almost surely, 2^135181712 is an apocalyptic number.

It is an amenable number.

135181712 is a deficient number, since it is larger than the sum of its proper divisors (127133344).

135181712 is a wasteful number, since it uses less digits than its factorization.

135181712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926 (or 12920 counting only the distinct ones).

The product of its digits is 1680, while the sum is 29.

The square root of 135181712 is about 11626.7670484963. The cubic root of 135181712 is about 513.2228461073. Note that the first 3 decimals are identical.

The spelling of 135181712 in words is "one hundred thirty-five million, one hundred eighty-one thousand, seven hundred twelve".