190116439 has 2 divisors, whose sum is σ = 190116440. Its totient is φ = 190116438.

The previous prime is 190116403. The next prime is 190116461. The reversal of 190116439 is 934611091.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190116439 - 2⁹ = 190115927 is a prime.

It is a super-2 number, since 2×190116439² = 72288520756081442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190116499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95058219 + 95058220.

It is an arithmetic number, because the mean of its divisors is an integer number (95058220).

Almost surely, 2^190116439 is an apocalyptic number.

190116439 is a deficient number, since it is larger than the sum of its proper divisors (1).

190116439 is an equidigital number, since it uses as much as digits as its factorization.

190116439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 190116439 is about 13788.2717916351. The cubic root of 190116439 is about 575.0071217769.

The spelling of 190116439 in words is "one hundred ninety million, one hundred sixteen thousand, four hundred thirty-nine".