190139071 has 2 divisors, whose sum is σ = 190139072. Its totient is φ = 190139070.

The previous prime is 190139069. The next prime is 190139083. The reversal of 190139071 is 170931091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190139071 - 2¹ = 190139069 is a prime.

Together with 190139069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190139021) 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, 95069535 + 95069536.

It is an arithmetic number, because the mean of its divisors is an integer number (95069536).

Almost surely, 2^190139071 is an apocalyptic number.

190139071 is a deficient number, since it is larger than the sum of its proper divisors (1).

190139071 is an equidigital number, since it uses as much as digits as its factorization.

190139071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 190139071 is about 13789.0924646983. The cubic root of 190139071 is about 575.0299376977.

The spelling of 190139071 in words is "one hundred ninety million, one hundred thirty-nine thousand, seventy-one".