195129093 has 16 divisors (see below), whose sum is σ = 266742720. Its totient is φ = 126831744.

The previous prime is 195129061. The next prime is 195129133. The reversal of 195129093 is 390921591.

195129093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195129093 - 2⁵ = 195129061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195121093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22153 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (16671420).

Almost surely, 2^195129093 is an apocalyptic number.

It is an amenable number.

195129093 is a deficient number, since it is larger than the sum of its proper divisors (71613627).

195129093 is a wasteful number, since it uses less digits than its factorization.

195129093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 195129093 is about 13968.8615498902. The cubic root of 195129093 is about 580.0169366834.

The spelling of 195129093 in words is "one hundred ninety-five million, one hundred twenty-nine thousand, ninety-three".