135305532 has 48 divisors (see below), whose sum is σ = 362896800. Its totient is φ = 43545600.

The previous prime is 135305509. The next prime is 135305539. The reversal of 135305532 is 235503531.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 135305496 and 135305505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135305539) 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, 18469 + ... + 24732.

It is an arithmetic number, because the mean of its divisors is an integer number (7560350).

Almost surely, 2^135305532 is an apocalyptic number.

135305532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135305532 is an abundant number, since it is smaller than the sum of its proper divisors (227591268).

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

135305532 is a wasteful number, since it uses less digits than its factorization.

135305532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43243 (or 43235 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 135305532 is about 11632.0906117516. The cubic root of 135305532 is about 513.3794941717.

The spelling of 135305532 in words is "one hundred thirty-five million, three hundred five thousand, five hundred thirty-two".