13421054128 has 10 divisors (see below), whose sum is σ = 26003292404. Its totient is φ = 6710527056.

The previous prime is 13421054123. The next prime is 13421054131. The reversal of 13421054128 is 82145012431.

13421054128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13421054128.

It is not an unprimeable number, because it can be changed into a prime (13421054123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419407926 + ... + 419407957.

Almost surely, 2^13421054128 is an apocalyptic number.

It is an amenable number.

13421054128 is a deficient number, since it is larger than the sum of its proper divisors (12582238276).

13421054128 is an equidigital number, since it uses as much as digits as its factorization.

13421054128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838815891 (or 838815885 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 13421054128 its reverse (82145012431), we get a palindrome (95566066559).

The spelling of 13421054128 in words is "thirteen billion, four hundred twenty-one million, fifty-four thousand, one hundred twenty-eight".