135304111252 has 6 divisors (see below), whose sum is σ = 236782194698. Its totient is φ = 67652055624.

The previous prime is 135304111213. The next prime is 135304111259. The reversal of 135304111252 is 252111403531.

It can be written as a sum of positive squares in only one way, i.e., 105752438416 + 29551672836 = 325196^2 + 171906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135304111252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135304111259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16913013903 + ... + 16913013910.

Almost surely, 2^135304111252 is an apocalyptic number.

It is an amenable number.

135304111252 is a deficient number, since it is larger than the sum of its proper divisors (101478083446).

135304111252 is a wasteful number, since it uses less digits than its factorization.

135304111252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33826027817 (or 33826027815 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 135304111252 its reverse (252111403531), we get a palindrome (387415514783).

The spelling of 135304111252 in words is "one hundred thirty-five billion, three hundred four million, one hundred eleven thousand, two hundred fifty-two".