199147369 has 8 divisors (see below), whose sum is σ = 200783232. Its totient is φ = 197516880.

The previous prime is 199147343. The next prime is 199147391. The reversal of 199147369 is 963741991.

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

It is not a de Polignac number, because 199147369 - 2²³ = 190758761 is a prime.

It is a super-2 number, since 2×199147369² = 79319349159244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199147309) 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, 105504 + ... + 107374.

It is an arithmetic number, because the mean of its divisors is an integer number (25097904).

Almost surely, 2^199147369 is an apocalyptic number.

It is an amenable number.

199147369 is a deficient number, since it is larger than the sum of its proper divisors (1635863).

199147369 is a wasteful number, since it uses less digits than its factorization.

199147369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its digits is 367416, while the sum is 49.

The square root of 199147369 is about 14111.9583687028. The cubic root of 199147369 is about 583.9713278364.

The spelling of 199147369 in words is "one hundred ninety-nine million, one hundred forty-seven thousand, three hundred sixty-nine".