190834307 has 2 divisors, whose sum is σ = 190834308. Its totient is φ = 190834306.

The previous prime is 190834277. The next prime is 190834313. The reversal of 190834307 is 703438091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190834307 - 2²⁰ = 189785731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (190834207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95417153 + 95417154.

It is an arithmetic number, because the mean of its divisors is an integer number (95417154).

Almost surely, 2^190834307 is an apocalyptic number.

190834307 is a deficient number, since it is larger than the sum of its proper divisors (1).

190834307 is an equidigital number, since it uses as much as digits as its factorization.

190834307 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 35.

The square root of 190834307 is about 13814.2790980927. The cubic root of 190834307 is about 575.7299432906.

The spelling of 190834307 in words is "one hundred ninety million, eight hundred thirty-four thousand, three hundred seven".