135452928 has 72 divisors (see below), whose sum is σ = 388261888. Its totient is φ = 41674752.

The previous prime is 135452921. The next prime is 135452953. The reversal of 135452928 is 829254531.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (135452921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3201 + ... + 16767.

Almost surely, 2^135452928 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 135452928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194130944).

135452928 is an abundant number, since it is smaller than the sum of its proper divisors (252808960).

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

135452928 is a wasteful number, since it uses less digits than its factorization.

135452928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599 (or 13585 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 135452928 is about 11638.4246356627. The cubic root of 135452928 is about 513.5658443334.

The spelling of 135452928 in words is "one hundred thirty-five million, four hundred fifty-two thousand, nine hundred twenty-eight".