195383147 has 4 divisors (see below), whose sum is σ = 195411216. Its totient is φ = 195355080.

The previous prime is 195383143. The next prime is 195383171. The reversal of 195383147 is 741383591.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 195383147 - 2² = 195383143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195383143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138 + ... + 20424.

It is an arithmetic number, because the mean of its divisors is an integer number (48852804).

Almost surely, 2^195383147 is an apocalyptic number.

195383147 is a deficient number, since it is larger than the sum of its proper divisors (28069).

195383147 is a wasteful number, since it uses less digits than its factorization.

195383147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28068.

The product of its digits is 90720, while the sum is 41.

The square root of 195383147 is about 13977.9521747644. The cubic root of 195383147 is about 580.2685508250.

The spelling of 195383147 in words is "one hundred ninety-five million, three hundred eighty-three thousand, one hundred forty-seven".