199357147 has 16 divisors (see below), whose sum is σ = 236505312. Its totient is φ = 165957120.

The previous prime is 199357141. The next prime is 199357217. The reversal of 199357147 is 741753991.

It is a cyclic number.

It is not a de Polignac number, because 199357147 - 2²³ = 190968539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199357097 and 199357106.

It is not an unprimeable number, because it can be changed into a prime (199357141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7488 + ... + 21325.

It is an arithmetic number, because the mean of its divisors is an integer number (14781582).

Almost surely, 2^199357147 is an apocalyptic number.

199357147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

199357147 is a deficient number, since it is larger than the sum of its proper divisors (37148165).

199357147 is a wasteful number, since it uses less digits than its factorization.

199357147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28878.

The product of its digits is 238140, while the sum is 46.

The square root of 199357147 is about 14119.3890448560. The cubic root of 199357147 is about 584.1763039276.

The spelling of 199357147 in words is "one hundred ninety-nine million, three hundred fifty-seven thousand, one hundred forty-seven".