195742107 has 24 divisors (see below), whose sum is σ = 313508208. Its totient is φ = 116683200.

The previous prime is 195742093. The next prime is 195742133. The reversal of 195742107 is 701247591.

It is a happy number.

It is not a de Polignac number, because 195742107 - 2¹⁰ = 195741083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195742177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10168 + ... + 22245.

It is an arithmetic number, because the mean of its divisors is an integer number (13062842).

Almost surely, 2^195742107 is an apocalyptic number.

195742107 is a deficient number, since it is larger than the sum of its proper divisors (117766101).

195742107 is a wasteful number, since it uses less digits than its factorization.

195742107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32491 (or 32488 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 195742107 is about 13990.7865039818. The cubic root of 195742107 is about 580.6236919460.

Adding to 195742107 its reverse (701247591), we get a palindrome (896989698).

The spelling of 195742107 in words is "one hundred ninety-five million, seven hundred forty-two thousand, one hundred seven".