135042648 has 64 divisors (see below), whose sum is σ = 365299200. Its totient is φ = 41354880.

The previous prime is 135042641. The next prime is 135042659. The reversal of 135042648 is 846240531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135042641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73663 + ... + 75473.

It is an arithmetic number, because the mean of its divisors is an integer number (5707800).

Almost surely, 2^135042648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135042648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182649600).

135042648 is an abundant number, since it is smaller than the sum of its proper divisors (230256552).

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

135042648 is a wasteful number, since it uses less digits than its factorization.

135042648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 135042648 is about 11620.7851714073. The cubic root of 135042648 is about 513.0467983556.

The spelling of 135042648 in words is "one hundred thirty-five million, forty-two thousand, six hundred forty-eight".