195953749134 has 64 divisors (see below), whose sum is σ = 460500526080. Its totient is φ = 54802984320.

The previous prime is 195953749093. The next prime is 195953749153. The reversal of 195953749134 is 431947359591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6255499 + ... + 6286745.

It is an arithmetic number, because the mean of its divisors is an integer number (7195320720).

Almost surely, 2^195953749134 is an apocalyptic number.

195953749134 is an abundant number, since it is smaller than the sum of its proper divisors (264546776946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195953749134 is a wasteful number, since it uses less digits than its factorization.

195953749134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38585.

The product of its digits is 18370800, while the sum is 60.

The spelling of 195953749134 in words is "one hundred ninety-five billion, nine hundred fifty-three million, seven hundred forty-nine thousand, one hundred thirty-four".