189041995 has 8 divisors (see below), whose sum is σ = 227460816. Its totient is φ = 150826656.

The previous prime is 189041971. The next prime is 189042017. The reversal of 189041995 is 599140981.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189041995 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 48817 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (28432602).

Almost surely, 2^189041995 is an apocalyptic number.

189041995 is a deficient number, since it is larger than the sum of its proper divisors (38418821).

189041995 is a wasteful number, since it uses less digits than its factorization.

189041995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101741.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 189041995 is about 13749.2543434180. The cubic root of 189041995 is about 573.9218562052.

It can be divided in two parts, 189041 and 995, that added together give a triangular number (190036 = T₆₁₆).

The spelling of 189041995 in words is "one hundred eighty-nine million, forty-one thousand, nine hundred ninety-five".