195133797 has 6 divisors (see below), whose sum is σ = 281859942. Its totient is φ = 130089192.

The previous prime is 195133789. The next prime is 195133823. The reversal of 195133797 is 797331591.

195133797 is a `hidden beast` number, since 19 + 513 + 37 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 98426241 + 96707556 = 9921^2 + 9834^2 .

It is not a de Polignac number, because 195133797 - 2³ = 195133789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195133727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10840758 + ... + 10840775.

It is an arithmetic number, because the mean of its divisors is an integer number (46976657).

Almost surely, 2^195133797 is an apocalyptic number.

It is an amenable number.

195133797 is a deficient number, since it is larger than the sum of its proper divisors (86726145).

195133797 is a wasteful number, since it uses less digits than its factorization.

195133797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21681539 (or 21681536 counting only the distinct ones).

The product of its digits is 178605, while the sum is 45.

The square root of 195133797 is about 13969.0299233698. The cubic root of 195133797 is about 580.0215974914.

The spelling of 195133797 in words is "one hundred ninety-five million, one hundred thirty-three thousand, seven hundred ninety-seven".