13435133252 has 24 divisors (see below), whose sum is σ = 24961300056. Its totient is φ = 6305453568.

The previous prime is 13435133249. The next prime is 13435133287. The reversal of 13435133252 is 25233153431.

It can be written as a sum of positive squares in 4 ways, for example, as 1257127936 + 12178005316 = 35456^2 + 110354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239483 + ... + 290210.

It is an arithmetic number, because the mean of its divisors is an integer number (1040054169).

Almost surely, 2^13435133252 is an apocalyptic number.

It is an amenable number.

13435133252 is a deficient number, since it is larger than the sum of its proper divisors (11526166804).

13435133252 is a wasteful number, since it uses less digits than its factorization.

13435133252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530087 (or 530085 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

Adding to 13435133252 its reverse (25233153431), we get a palindrome (38668286683).

The spelling of 13435133252 in words is "thirteen billion, four hundred thirty-five million, one hundred thirty-three thousand, two hundred fifty-two".