205140119 has 2 divisors, whose sum is σ = 205140120. Its totient is φ = 205140118.

The previous prime is 205140107. The next prime is 205140121. The reversal of 205140119 is 911041502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205140119 is a prime.

It is a super-2 number, since 2×205140119² = 84164936846668322, which contains 22 as substring.

Together with 205140121, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 205140094 and 205140103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205140149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102570059 + 102570060.

It is an arithmetic number, because the mean of its divisors is an integer number (102570060).

Almost surely, 2^205140119 is an apocalyptic number.

205140119 is a deficient number, since it is larger than the sum of its proper divisors (1).

205140119 is an equidigital number, since it uses as much as digits as its factorization.

205140119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 205140119 is about 14322.7133951636. The cubic root of 205140119 is about 589.7711637692.

The spelling of 205140119 in words is "two hundred five million, one hundred forty thousand, one hundred nineteen".