198835141 has 4 divisors (see below), whose sum is σ = 199068012. Its totient is φ = 198602272.

The previous prime is 198835121. The next prime is 198835157. The reversal of 198835141 is 141538891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141538891 = 13 ⋅10887607.

It can be written as a sum of positive squares in 2 ways, for example, as 170851041 + 27984100 = 13071^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 198835141 - 2¹³ = 198826949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198835094 and 198835103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198835121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115150 + ... + 116863.

It is an arithmetic number, because the mean of its divisors is an integer number (49767003).

Almost surely, 2^198835141 is an apocalyptic number.

It is an amenable number.

198835141 is a deficient number, since it is larger than the sum of its proper divisors (232871).

198835141 is an equidigital number, since it uses as much as digits as its factorization.

198835141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232870.

The product of its digits is 34560, while the sum is 40.

The square root of 198835141 is about 14100.8914966395. The cubic root of 198835141 is about 583.6659801400.

The spelling of 198835141 in words is "one hundred ninety-eight million, eight hundred thirty-five thousand, one hundred forty-one".