190147271 has 2 divisors, whose sum is σ = 190147272. Its totient is φ = 190147270.

The previous prime is 190147259. The next prime is 190147297. The reversal of 190147271 is 172741091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190147271 - 2⁶ = 190147207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190140271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95073635 + 95073636.

It is an arithmetic number, because the mean of its divisors is an integer number (95073636).

Almost surely, 2^190147271 is an apocalyptic number.

190147271 is a deficient number, since it is larger than the sum of its proper divisors (1).

190147271 is an equidigital number, since it uses as much as digits as its factorization.

190147271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 190147271 is about 13789.3897979570. The cubic root of 190147271 is about 575.0382038888.

The spelling of 190147271 in words is "one hundred ninety million, one hundred forty-seven thousand, two hundred seventy-one".