199271052 has 18 divisors (see below), whose sum is σ = 503713028. Its totient is φ = 66423672.

The previous prime is 199270997. The next prime is 199271071. The reversal of 199271052 is 250172991.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5535307 = 199271052 / (1 + 9 + 9 + 2 + 7 + 1 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 199270998 and 199271016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2767618 + ... + 2767689.

Almost surely, 2^199271052 is an apocalyptic number.

199271052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199271052 is an abundant number, since it is smaller than the sum of its proper divisors (304441976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199271052 is a wasteful number, since it uses less digits than its factorization.

199271052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535317 (or 5535312 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 199271052 is about 14116.3398938960. The cubic root of 199271052 is about 584.0921970846.

The spelling of 199271052 in words is "one hundred ninety-nine million, two hundred seventy-one thousand, fifty-two".