198142367 has 4 divisors (see below), whose sum is σ = 200856720. Its totient is φ = 195428016.

The previous prime is 198142339. The next prime is 198142397. The reversal of 198142367 is 763241891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198142367 - 2¹⁶ = 198076831 is a prime.

It is a super-3 number, since 3×198142367³ (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 (198142397) 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, 1357067 + ... + 1357212.

It is an arithmetic number, because the mean of its divisors is an integer number (50214180).

Almost surely, 2^198142367 is an apocalyptic number.

198142367 is a deficient number, since it is larger than the sum of its proper divisors (2714353).

198142367 is an equidigital number, since it uses as much as digits as its factorization.

198142367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714352.

The product of its digits is 72576, while the sum is 41.

The square root of 198142367 is about 14076.3051615117. The cubic root of 198142367 is about 582.9873289213.

The spelling of 198142367 in words is "one hundred ninety-eight million, one hundred forty-two thousand, three hundred sixty-seven".