194021002 has 16 divisors (see below), whose sum is σ = 343337472. Its totient is φ = 80469360.

The previous prime is 194020999. The next prime is 194021021. The reversal of 194021002 is 200120491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223093 + ... + 223960.

It is an arithmetic number, because the mean of its divisors is an integer number (21458592).

Almost surely, 2^194021002 is an apocalyptic number.

194021002 is a deficient number, since it is larger than the sum of its proper divisors (149316470).

194021002 is a wasteful number, since it uses less digits than its factorization.

194021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447093.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 194021002 is about 13929.1421846430. The cubic root of 194021002 is about 578.9169264431.

Adding to 194021002 its reverse (200120491), we get a palindrome (394141493).

The spelling of 194021002 in words is "one hundred ninety-four million, twenty-one thousand, two".