195132929 has 2 divisors, whose sum is σ = 195132930. Its totient is φ = 195132928.

The previous prime is 195132913. The next prime is 195132937. The reversal of 195132929 is 929231591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169650625 + 25482304 = 13025^2 + 5048^2 .

It is a cyclic number.

It is not a de Polignac number, because 195132929 - 2⁴ = 195132913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (195132029) 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, 97566464 + 97566465.

It is an arithmetic number, because the mean of its divisors is an integer number (97566465).

Almost surely, 2^195132929 is an apocalyptic number.

It is an amenable number.

195132929 is a deficient number, since it is larger than the sum of its proper divisors (1).

195132929 is an equidigital number, since it uses as much as digits as its factorization.

195132929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 195132929 is about 13968.9988546066. The cubic root of 195132929 is about 580.0207374670.

The spelling of 195132929 in words is "one hundred ninety-five million, one hundred thirty-two thousand, nine hundred twenty-nine".