190842307 has 2 divisors, whose sum is σ = 190842308. Its totient is φ = 190842306.

The previous prime is 190842287. The next prime is 190842313. The reversal of 190842307 is 703248091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190842307 - 2¹⁹ = 190318019 is a prime.

It is a super-2 number, since 2×190842307² = 72841572282164498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190842397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95421153 + 95421154.

It is an arithmetic number, because the mean of its divisors is an integer number (95421154).

Almost surely, 2^190842307 is an apocalyptic number.

190842307 is a deficient number, since it is larger than the sum of its proper divisors (1).

190842307 is an equidigital number, since it uses as much as digits as its factorization.

190842307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 190842307 is about 13814.5686505225. The cubic root of 190842307 is about 575.7379882717.

The spelling of 190842307 in words is "one hundred ninety million, eight hundred forty-two thousand, three hundred seven".