13545189 has 24 divisors (see below), whose sum is σ = 22701120. Its totient is φ = 7622208.

The previous prime is 13545173. The next prime is 13545193. The reversal of 13545189 is 98154531.

13545189 is a `hidden beast` number, since 135 + 4 + 518 + 9 = 666.

It is not a de Polignac number, because 13545189 - 2⁴ = 13545173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13545199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2617 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (945880).

Almost surely, 2^13545189 is an apocalyptic number.

It is an amenable number.

13545189 is a deficient number, since it is larger than the sum of its proper divisors (9155931).

13545189 is a wasteful number, since it uses less digits than its factorization.

13545189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3286 counting only the distinct ones).

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

The square root of 13545189 is about 3680.3789207091. The cubic root of 13545189 is about 238.3755399304.

The spelling of 13545189 in words is "thirteen million, five hundred forty-five thousand, one hundred eighty-nine".