194196149 has 8 divisors (see below), whose sum is σ = 222105408. Its totient is φ = 166328640.

The previous prime is 194196143. The next prime is 194196157. The reversal of 194196149 is 941691491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194196149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194196143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269 + ... + 19709.

It is an arithmetic number, because the mean of its divisors is an integer number (27763176).

Almost surely, 2^194196149 is an apocalyptic number.

It is an amenable number.

194196149 is a deficient number, since it is larger than the sum of its proper divisors (27909259).

194196149 is a wasteful number, since it uses less digits than its factorization.

194196149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20875.

The product of its digits is 69984, while the sum is 44.

The square root of 194196149 is about 13935.4278369916. The cubic root of 194196149 is about 579.0910743730.

The spelling of 194196149 in words is "one hundred ninety-four million, one hundred ninety-six thousand, one hundred forty-nine".