135302132 has 72 divisors (see below), whose sum is σ = 286561800. Its totient is φ = 55695360.

The previous prime is 135302119. The next prime is 135302147. The reversal of 135302132 is 231203531.

It can be written as a sum of positive squares in 4 ways, for example, as 23872996 + 111429136 = 4886^2 + 10556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907994 + ... + 908142.

It is an arithmetic number, because the mean of its divisors is an integer number (3980025).

Almost surely, 2^135302132 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 135302132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143280900).

135302132 is an abundant number, since it is smaller than the sum of its proper divisors (151259668).

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

135302132 is a wasteful number, since it uses less digits than its factorization.

135302132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 135302132 is about 11631.9444634163. The cubic root of 135302132 is about 513.3751940151.

Adding to 135302132 its reverse (231203531), we get a palindrome (366505663).

The spelling of 135302132 in words is "one hundred thirty-five million, three hundred two thousand, one hundred thirty-two".