189790141 has 2 divisors, whose sum is σ = 189790142. Its totient is φ = 189790140.

The previous prime is 189790127. The next prime is 189790147. The reversal of 189790141 is 141097981.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189612900 + 177241 = 13770^2 + 421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189790141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189790094 and 189790103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189790147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94895070 + 94895071.

It is an arithmetic number, because the mean of its divisors is an integer number (94895071).

Almost surely, 2^189790141 is an apocalyptic number.

It is an amenable number.

189790141 is a deficient number, since it is larger than the sum of its proper divisors (1).

189790141 is an equidigital number, since it uses as much as digits as its factorization.

189790141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 189790141 is about 13776.4342628998. The cubic root of 189790141 is about 574.6779706575.

The spelling of 189790141 in words is "one hundred eighty-nine million, seven hundred ninety thousand, one hundred forty-one".