135651328 has 56 divisors (see below), whose sum is σ = 281132280. Its totient is φ = 65372160.

The previous prime is 135651311. The next prime is 135651331. The reversal of 135651328 is 823156531.

It is a junction number, because it is equal to n+sod(n) for n = 135651293 and 135651302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237283 + ... + 237853.

Almost surely, 2^135651328 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 135651328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140566140).

135651328 is an abundant number, since it is smaller than the sum of its proper divisors (145480952).

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

135651328 is an frugal number, since it uses more digits than its factorization.

135651328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 602 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 135651328 is about 11646.9450071682. The cubic root of 135651328 is about 513.8164646242.

The spelling of 135651328 in words is "one hundred thirty-five million, six hundred fifty-one thousand, three hundred twenty-eight".