13628191128 has 32 divisors (see below), whose sum is σ = 34074995760. Its totient is φ = 4542128000.

The previous prime is 13628191103. The next prime is 13628191141. The reversal of 13628191128 is 82119182631.

It is a self number, because there is not a number n which added to its sum of digits gives 13628191128.

It is a congruent number.

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, 170626 + ... + 237422.

Almost surely, 2^13628191128 is an apocalyptic number.

It is an amenable number.

13628191128 is an abundant number, since it is smaller than the sum of its proper divisors (20446804632).

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

13628191128 is a wasteful number, since it uses less digits than its factorization.

13628191128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75307 (or 75303 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The spelling of 13628191128 in words is "thirteen billion, six hundred twenty-eight million, one hundred ninety-one thousand, one hundred twenty-eight".