198134043 has 8 divisors (see below), whose sum is σ = 266902608. Its totient is φ = 130727424.

The previous prime is 198134021. The next prime is 198134047. The reversal of 198134043 is 340431891.

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

It is not a de Polignac number, because 198134043 - 2⁵ = 198134011 is a prime.

It is a super-3 number, since 3×198134043³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198133995 and 198134013.

It is not an unprimeable number, because it can be changed into a prime (198134047) 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, 340146 + ... + 340727.

It is an arithmetic number, because the mean of its divisors is an integer number (33362826).

Almost surely, 2^198134043 is an apocalyptic number.

198134043 is a deficient number, since it is larger than the sum of its proper divisors (68768565).

198134043 is an equidigital number, since it uses as much as digits as its factorization.

198134043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680973.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 198134043 is about 14076.0094842253. The cubic root of 198134043 is about 582.9791650027.

The spelling of 198134043 in words is "one hundred ninety-eight million, one hundred thirty-four thousand, forty-three".