13634522146 has 12 divisors (see below), whose sum is σ = 23790850038. Its totient is φ = 5843366592.

The previous prime is 13634522129. The next prime is 13634522149. The reversal of 13634522146 is 64122543631.

It can be written as a sum of positive squares in only one way, i.e., 13627994121 + 6528025 = 116739^2 + 2555^2 .

It is not an unprimeable number, because it can be changed into a prime (13634522149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69563791 + ... + 69563986.

Almost surely, 2^13634522146 is an apocalyptic number.

13634522146 is a deficient number, since it is larger than the sum of its proper divisors (10156327892).

13634522146 is a wasteful number, since it uses less digits than its factorization.

13634522146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139127793 (or 139127786 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 13634522146 in words is "thirteen billion, six hundred thirty-four million, five hundred twenty-two thousand, one hundred forty-six".