194919512 has 16 divisors (see below), whose sum is σ = 366313200. Its totient is φ = 97236000.

The previous prime is 194919509. The next prime is 194919547. The reversal of 194919512 is 215919491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 194919512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24239 + ... + 31262.

It is an arithmetic number, because the mean of its divisors is an integer number (22894575).

Almost surely, 2^194919512 is an apocalyptic number.

It is an amenable number.

194919512 is a deficient number, since it is larger than the sum of its proper divisors (171393688).

194919512 is a wasteful number, since it uses less digits than its factorization.

194919512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55946 (or 55942 counting only the distinct ones).

The product of its digits is 29160, while the sum is 41.

The square root of 194919512 is about 13961.3578136226. The cubic root of 194919512 is about 579.8092039888.

The spelling of 194919512 in words is "one hundred ninety-four million, nine hundred nineteen thousand, five hundred twelve".