189581041 has 8 divisors (see below), whose sum is σ = 204303680. Its totient is φ = 174878352.

The previous prime is 189581017. The next prime is 189581057. The reversal of 189581041 is 140185981.

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 189581041 - 2⁹ = 189580529 is a prime.

It is a super-2 number, since 2×189581041² = 71881942213287362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189581641) 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, 19090 + ... + 27268.

It is an arithmetic number, because the mean of its divisors is an integer number (25537960).

Almost surely, 2^189581041 is an apocalyptic number.

It is an amenable number.

189581041 is a deficient number, since it is larger than the sum of its proper divisors (14722639).

189581041 is a wasteful number, since it uses less digits than its factorization.

189581041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 189581041 is about 13768.8431249688. The cubic root of 189581041 is about 574.4668439178.

The spelling of 189581041 in words is "one hundred eighty-nine million, five hundred eighty-one thousand, forty-one".