198129463 has 8 divisors (see below), whose sum is σ = 233738240. Its totient is φ = 164346840.

The previous prime is 198129443. The next prime is 198129469. The reversal of 198129463 is 364921891.

It is a happy number.

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

It is not a de Polignac number, because 198129463 - 2⁵ = 198129431 is a prime.

It is a super-3 number, since 3×198129463³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198129469) 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 7 ways as a sum of consecutive naturals, for example, 456303 + ... + 456736.

It is an arithmetic number, because the mean of its divisors is an integer number (29217280).

Almost surely, 2^198129463 is an apocalyptic number.

198129463 is a deficient number, since it is larger than the sum of its proper divisors (35608777).

198129463 is an equidigital number, since it uses as much as digits as its factorization.

198129463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913077.

The product of its digits is 93312, while the sum is 43.

The square root of 198129463 is about 14075.8467951310. The cubic root of 198129463 is about 582.9746729845.

The spelling of 198129463 in words is "one hundred ninety-eight million, one hundred twenty-nine thousand, four hundred sixty-three".