195757141 has 2 divisors, whose sum is σ = 195757142. Its totient is φ = 195757140.

The previous prime is 195757129. The next prime is 195757147. The reversal of 195757141 is 141757591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160402225 + 35354916 = 12665^2 + 5946^2 .

It is an emirp because it is prime and its reverse (141757591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195757141 - 2⁹ = 195756629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195757094 and 195757103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195757147) 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, 97878570 + 97878571.

It is an arithmetic number, because the mean of its divisors is an integer number (97878571).

Almost surely, 2^195757141 is an apocalyptic number.

It is an amenable number.

195757141 is a deficient number, since it is larger than the sum of its proper divisors (1).

195757141 is an equidigital number, since it uses as much as digits as its factorization.

195757141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 40.

The square root of 195757141 is about 13991.3237758262. The cubic root of 195757141 is about 580.6385565269.

The spelling of 195757141 in words is "one hundred ninety-five million, seven hundred fifty-seven thousand, one hundred forty-one".