198969141 has 8 divisors (see below), whose sum is σ = 303191104. Its totient is φ = 113696640.

The previous prime is 198969131. The next prime is 198969149. The reversal of 198969141 is 141969891.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-198969141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198969149) 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, 4737340 + ... + 4737381.

It is an arithmetic number, because the mean of its divisors is an integer number (37898888).

Almost surely, 2^198969141 is an apocalyptic number.

It is an amenable number.

198969141 is a deficient number, since it is larger than the sum of its proper divisors (104221963).

198969141 is an equidigital number, since it uses as much as digits as its factorization.

198969141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474731.

The product of its digits is 139968, while the sum is 48.

The square root of 198969141 is about 14105.6421690046. The cubic root of 198969141 is about 583.7970664226.

The spelling of 198969141 in words is "one hundred ninety-eight million, nine hundred sixty-nine thousand, one hundred forty-one".