194071019292 has 36 divisors (see below), whose sum is σ = 511897473360. Its totient is φ = 61877716032.

The previous prime is 194071019257. The next prime is 194071019309. The reversal of 194071019292 is 292910170491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117191817 + ... + 117193472.

It is an arithmetic number, because the mean of its divisors is an integer number (14219374260).

Almost surely, 2^194071019292 is an apocalyptic number.

194071019292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194071019292 is an abundant number, since it is smaller than the sum of its proper divisors (317826454068).

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

194071019292 is a wasteful number, since it uses less digits than its factorization.

194071019292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234385322 (or 234385317 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 194071019292 in words is "one hundred ninety-four billion, seventy-one million, nineteen thousand, two hundred ninety-two".