135321532 has 12 divisors (see below), whose sum is σ = 237036240. Its totient is φ = 67596896.

The previous prime is 135321523. The next prime is 135321577. The reversal of 135321532 is 235123531.

It is a junction number, because it is equal to n+sod(n) for n = 135321497 and 135321506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11032 + ... + 19807.

It is an arithmetic number, because the mean of its divisors is an integer number (19753020).

Almost surely, 2^135321532 is an apocalyptic number.

It is an amenable number.

135321532 is a deficient number, since it is larger than the sum of its proper divisors (101714708).

135321532 is a wasteful number, since it uses less digits than its factorization.

135321532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31940 (or 31938 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 135321532 is about 11632.7783439727. The cubic root of 135321532 is about 513.3997292353.

The spelling of 135321532 in words is "one hundred thirty-five million, three hundred twenty-one thousand, five hundred thirty-two".