13455189 has 12 divisors (see below), whose sum is σ = 21202272. Its totient is φ = 8154600.

The previous prime is 13455187. The next prime is 13455191. The reversal of 13455189 is 98155431.

13455189 is a `hidden beast` number, since 134 + 5 + 518 + 9 = 666.

13455189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13455187) and next prime (13455191).

It is not a de Polignac number, because 13455189 - 2¹ = 13455187 is a prime.

It is a super-2 number, since 2×13455189² = 362084222051442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67857 + ... + 68054.

It is an arithmetic number, because the mean of its divisors is an integer number (1766856).

Almost surely, 2^13455189 is an apocalyptic number.

It is an amenable number.

13455189 is a deficient number, since it is larger than the sum of its proper divisors (7747083).

13455189 is a wasteful number, since it uses less digits than its factorization.

13455189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135928 (or 135925 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 13455189 is about 3668.1315407166. The cubic root of 13455189 is about 237.8464100962.

The spelling of 13455189 in words is "thirteen million, four hundred fifty-five thousand, one hundred eighty-nine".