189534005 has 8 divisors (see below), whose sum is σ = 227653632. Its totient is φ = 151485328.

The previous prime is 189534001. The next prime is 189534013. The reversal of 189534005 is 500435981.

189534005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189534005 - 2² = 189534001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189534001) 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, 11669 + ... + 22698.

It is an arithmetic number, because the mean of its divisors is an integer number (28456704).

Almost surely, 2^189534005 is an apocalyptic number.

It is an amenable number.

189534005 is a deficient number, since it is larger than the sum of its proper divisors (38119627).

189534005 is a wasteful number, since it uses less digits than its factorization.

189534005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35475.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 189534005 is about 13767.1349597511. The cubic root of 189534005 is about 574.4193306269.

Adding to 189534005 its reverse (500435981), we get a palindrome (689969986).

The spelling of 189534005 in words is "one hundred eighty-nine million, five hundred thirty-four thousand, five".