135242732 has 12 divisors (see below), whose sum is σ = 236765256. Its totient is φ = 67595520.

The previous prime is 135242719. The next prime is 135242749. The reversal of 135242732 is 237242531.

135242732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 135242695 and 135242704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9932 + ... + 19212.

It is an arithmetic number, because the mean of its divisors is an integer number (19730438).

Almost surely, 2^135242732 is an apocalyptic number.

It is an amenable number.

135242732 is a deficient number, since it is larger than the sum of its proper divisors (101522524).

135242732 is a wasteful number, since it uses less digits than its factorization.

135242732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12928 (or 12926 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 135242732 is about 11629.3908696887. The cubic root of 135242732 is about 513.3000561251.

The spelling of 135242732 in words is "one hundred thirty-five million, two hundred forty-two thousand, seven hundred thirty-two".