13281746226 has 16 divisors (see below), whose sum is σ = 30358277184. Its totient is φ = 3794784624.

The previous prime is 13281746207. The next prime is 13281746293. The reversal of 13281746226 is 62264718231.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 316232053 = 13281746226 / (1 + 3 + 2 + 8 + 1 + 7 + 4 + 6 + 2 + 2 + 6).

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 7 ways as a sum of consecutive naturals, for example, 158115985 + ... + 158116068.

It is an arithmetic number, because the mean of its divisors is an integer number (1897392324).

Almost surely, 2^13281746226 is an apocalyptic number.

13281746226 is an abundant number, since it is smaller than the sum of its proper divisors (17076530958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13281746226 is a wasteful number, since it uses less digits than its factorization.

13281746226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316232065.

The product of its digits is 193536, while the sum is 42.

The spelling of 13281746226 in words is "thirteen billion, two hundred eighty-one million, seven hundred forty-six thousand, two hundred twenty-six".