194623134 has 16 divisors (see below), whose sum is σ = 389761680. Its totient is φ = 64788480.

The previous prime is 194623133. The next prime is 194623139. The reversal of 194623134 is 431326491.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 194623095 and 194623104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194623133) 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 7 ways as a sum of consecutive naturals, for example, 16477 + ... + 25704.

It is an arithmetic number, because the mean of its divisors is an integer number (24360105).

Almost surely, 2^194623134 is an apocalyptic number.

194623134 is an abundant number, since it is smaller than the sum of its proper divisors (195138546).

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

194623134 is a wasteful number, since it uses less digits than its factorization.

194623134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42955.

The product of its digits is 15552, while the sum is 33.

The square root of 194623134 is about 13950.7395502891. The cubic root of 194623134 is about 579.5151854294.

The spelling of 194623134 in words is "one hundred ninety-four million, six hundred twenty-three thousand, one hundred thirty-four".