13268135252 has 12 divisors (see below), whose sum is σ = 24441301920. Its totient is φ = 6284906136.

The previous prime is 13268135201. The next prime is 13268135269. The reversal of 13268135252 is 25253186231.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87290288 + ... + 87290439.

It is an arithmetic number, because the mean of its divisors is an integer number (2036775160).

Almost surely, 2^13268135252 is an apocalyptic number.

It is an amenable number.

13268135252 is a deficient number, since it is larger than the sum of its proper divisors (11173166668).

13268135252 is a wasteful number, since it uses less digits than its factorization.

13268135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174580750 (or 174580748 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 13268135252 in words is "thirteen billion, two hundred sixty-eight million, one hundred thirty-five thousand, two hundred fifty-two".