135304321232 has 20 divisors (see below), whose sum is σ = 264557191140. Its totient is φ = 67031497728.

The previous prime is 135304321231. The next prime is 135304321249. The reversal of 135304321232 is 232123403531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96897728656 + 38406592576 = 311284^2 + 195976^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135304321195 and 135304321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135304321231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38789633 + ... + 38793120.

It is an arithmetic number, because the mean of its divisors is an integer number (13227859557).

Almost surely, 2^135304321232 is an apocalyptic number.

It is an amenable number.

135304321232 is a deficient number, since it is larger than the sum of its proper divisors (129252869908).

135304321232 is a wasteful number, since it uses less digits than its factorization.

135304321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77582870 (or 77582864 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 135304321232 its reverse (232123403531), we get a palindrome (367427724763).

The spelling of 135304321232 in words is "one hundred thirty-five billion, three hundred four million, three hundred twenty-one thousand, two hundred thirty-two".