194130875 has 16 divisors (see below), whose sum is σ = 244040160. Its totient is φ = 154173600.

The previous prime is 194130863. The next prime is 194130883. The reversal of 194130875 is 578031491.

It is a de Polignac number, because none of the positive numbers 2^k-194130875 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11789 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (15252510).

Almost surely, 2^194130875 is an apocalyptic number.

194130875 is a deficient number, since it is larger than the sum of its proper divisors (49909285).

194130875 is a wasteful number, since it uses less digits than its factorization.

194130875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327 (or 11317 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 194130875 is about 13933.0856237949. The cubic root of 194130875 is about 579.0261849525.

The spelling of 194130875 in words is "one hundred ninety-four million, one hundred thirty thousand, eight hundred seventy-five".