135218832 has 160 divisors (see below), whose sum is σ = 419020800. Its totient is φ = 37537920.

The previous prime is 135218827. The next prime is 135218887. The reversal of 135218832 is 238812531.

It is a junction number, because it is equal to n+sod(n) for n = 135218793 and 135218802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707857 + ... + 708047.

It is an arithmetic number, because the mean of its divisors is an integer number (2618880).

Almost surely, 2^135218832 is an apocalyptic number.

135218832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135218832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209510400).

135218832 is an abundant number, since it is smaller than the sum of its proper divisors (283801968).

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

135218832 is a wasteful number, since it uses less digits than its factorization.

135218832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 246 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 135218832 is about 11628.3632554199. The cubic root of 135218832 is about 513.2698176694.

The spelling of 135218832 in words is "one hundred thirty-five million, two hundred eighteen thousand, eight hundred thirty-two".