189042659 has 8 divisors (see below), whose sum is σ = 203733600. Its totient is φ = 174373056.

The previous prime is 189042631. The next prime is 189042671. The reversal of 189042659 is 956240981.

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

It is not a de Polignac number, because 189042659 - 2¹⁶ = 188977123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189042629) 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, 16367 + ... + 25415.

It is an arithmetic number, because the mean of its divisors is an integer number (25466700).

Almost surely, 2^189042659 is an apocalyptic number.

189042659 is a deficient number, since it is larger than the sum of its proper divisors (14690941).

189042659 is a wasteful number, since it uses less digits than its factorization.

189042659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10669.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 189042659 is about 13749.2784901609. The cubic root of 189042659 is about 573.9225281611.

The spelling of 189042659 in words is "one hundred eighty-nine million, forty-two thousand, six hundred fifty-nine".