194142152512 has 112 divisors (see below), whose sum is σ = 490532732928. Its totient is φ = 74030353920.

The previous prime is 194142152443. The next prime is 194142152563. The reversal of 194142152512 is 215251241491.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 187488 + ... + 650719.

It is an arithmetic number, because the mean of its divisors is an integer number (4379756544).

Almost surely, 2^194142152512 is an apocalyptic number.

It is an amenable number.

194142152512 is an abundant number, since it is smaller than the sum of its proper divisors (296390580416).

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

194142152512 is a wasteful number, since it uses less digits than its factorization.

194142152512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838284 (or 838274 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The spelling of 194142152512 in words is "one hundred ninety-four billion, one hundred forty-two million, one hundred fifty-two thousand, five hundred twelve".