194142336 has 128 divisors (see below), whose sum is σ = 545218560. Its totient is φ = 61117440.

The previous prime is 194142281. The next prime is 194142341. The reversal of 194142336 is 633241491.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 194142297 and 194142306.

It is a congruent number.

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, 559315 + ... + 559661.

It is an arithmetic number, because the mean of its divisors is an integer number (4259520).

Almost surely, 2^194142336 is an apocalyptic number.

194142336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194142336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272609280).

194142336 is an abundant number, since it is smaller than the sum of its proper divisors (351076224).

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

194142336 is a wasteful number, since it uses less digits than its factorization.

194142336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 430 counting only the distinct ones).

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

The square root of 194142336 is about 13933.4969049410. The cubic root of 194142336 is about 579.0375794796.

The spelling of 194142336 in words is "one hundred ninety-four million, one hundred forty-two thousand, three hundred thirty-six".