190239193 has 2 divisors, whose sum is σ = 190239194. Its totient is φ = 190239192.

The previous prime is 190239173. The next prime is 190239199. The reversal of 190239193 is 391932091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114340249 + 75898944 = 10693^2 + 8712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190239193 is a prime.

It is not a weakly prime, because it can be changed into another prime (190239199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95119596 + 95119597.

It is an arithmetic number, because the mean of its divisors is an integer number (95119597).

Almost surely, 2^190239193 is an apocalyptic number.

It is an amenable number.

190239193 is a deficient number, since it is larger than the sum of its proper divisors (1).

190239193 is an equidigital number, since it uses as much as digits as its factorization.

190239193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 190239193 is about 13792.7224651263. The cubic root of 190239193 is about 575.1308516316.

The spelling of 190239193 in words is "one hundred ninety million, two hundred thirty-nine thousand, one hundred ninety-three".