195742133 has 2 divisors, whose sum is σ = 195742134. Its totient is φ = 195742132.

The previous prime is 195742093. The next prime is 195742177. The reversal of 195742133 is 331247591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173633329 + 22108804 = 13177^2 + 4702^2 .

It is a cyclic number.

It is not a de Polignac number, because 195742133 - 2¹⁴ = 195725749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195742093 and 195742102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195742193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97871066 + 97871067.

It is an arithmetic number, because the mean of its divisors is an integer number (97871067).

Almost surely, 2^195742133 is an apocalyptic number.

It is an amenable number.

195742133 is a deficient number, since it is larger than the sum of its proper divisors (1).

195742133 is an equidigital number, since it uses as much as digits as its factorization.

195742133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 195742133 is about 13990.7874331647. The cubic root of 195742133 is about 580.6237176537.

The spelling of 195742133 in words is "one hundred ninety-five million, seven hundred forty-two thousand, one hundred thirty-three".