195140219 has 2 divisors, whose sum is σ = 195140220. Its totient is φ = 195140218.

The previous prime is 195140213. The next prime is 195140233. The reversal of 195140219 is 912041591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195140219 - 2¹⁶ = 195074683 is a prime.

It is a super-2 number, since 2×195140219² = 76159410142735922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (195140213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97570109 + 97570110.

It is an arithmetic number, because the mean of its divisors is an integer number (97570110).

Almost surely, 2^195140219 is an apocalyptic number.

195140219 is a deficient number, since it is larger than the sum of its proper divisors (1).

195140219 is an equidigital number, since it uses as much as digits as its factorization.

195140219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 195140219 is about 13969.2597871183. The cubic root of 195140219 is about 580.0279604040.

The spelling of 195140219 in words is "one hundred ninety-five million, one hundred forty thousand, two hundred nineteen".