198136275 has 48 divisors (see below), whose sum is σ = 365155200. Its totient is φ = 94210560.

The previous prime is 198136271. The next prime is 198136277. The reversal of 198136275 is 572631891.

It is not a de Polignac number, because 198136275 - 2² = 198136271 is a prime.

It is a super-3 number, since 3×198136275³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (198136271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20136 + ... + 28314.

It is an arithmetic number, because the mean of its divisors is an integer number (7607400).

Almost surely, 2^198136275 is an apocalyptic number.

198136275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198136275 is a deficient number, since it is larger than the sum of its proper divisors (167018925).

198136275 is a wasteful number, since it uses less digits than its factorization.

198136275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228 (or 8223 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 198136275 is about 14076.0887678360. The cubic root of 198136275 is about 582.9813541008.

The spelling of 198136275 in words is "one hundred ninety-eight million, one hundred thirty-six thousand, two hundred seventy-five".