189013042 has 8 divisors (see below), whose sum is σ = 285397632. Its totient is φ = 93880500.

The previous prime is 189013031. The next prime is 189013043. The reversal of 189013042 is 240310981.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 189013042.

It is not an unprimeable number, because it can be changed into a prime (189013043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312634 + ... + 313237.

It is an arithmetic number, because the mean of its divisors is an integer number (35674704).

Almost surely, 2^189013042 is an apocalyptic number.

189013042 is a deficient number, since it is larger than the sum of its proper divisors (96384590).

189013042 is a wasteful number, since it uses less digits than its factorization.

189013042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626024.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 189013042 is about 13748.2014096390. The cubic root of 189013042 is about 573.8925547654.

The spelling of 189013042 in words is "one hundred eighty-nine million, thirteen thousand, forty-two".