189065542 has 8 divisors (see below), whose sum is σ = 298524600. Its totient is φ = 89557344.

The previous prime is 189065531. The next prime is 189065563. The reversal of 189065542 is 245560981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189065495 and 189065504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487667 + ... + 2487742.

It is an arithmetic number, because the mean of its divisors is an integer number (37315575).

Almost surely, 2^189065542 is an apocalyptic number.

189065542 is a deficient number, since it is larger than the sum of its proper divisors (109459058).

189065542 is a wasteful number, since it uses less digits than its factorization.

189065542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975430.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 189065542 is about 13750.1106177369. The cubic root of 189065542 is about 573.9456843796.

The spelling of 189065542 in words is "one hundred eighty-nine million, sixty-five thousand, five hundred forty-two".