189141 has 8 divisors (see below), whose sum is σ = 256224. Its totient is φ = 124080.
The previous prime is 189139. The next prime is 189149. The reversal of 189141 is 141981.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 189141 - 21 = 189139 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270 + ... + 671.
It is an arithmetic number, because the mean of its divisors is an integer number (32028).
2189141 is an apocalyptic number.
It is an amenable number.
189141 is a deficient number, since it is larger than the sum of its proper divisors (67083).
189141 is an equidigital number, since it uses as much as digits as its factorization.
189141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011.
The product of its digits is 288, while the sum is 24.
The square root of 189141 is about 434.9034375583. The cubic root of 189141 is about 57.4022030097.
It can be divided in two parts, 18914 and 1, that added together give a triangular number (18915 = T194).
The spelling of 189141 in words is "one hundred eighty-nine thousand, one hundred forty-one".
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