199133090 has 16 divisors (see below), whose sum is σ = 386012088. Its totient is φ = 73526016.

The previous prime is 199133089. The next prime is 199133101. The reversal of 199133090 is 90331991.

It is a happy number.

199133090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 73222249 + 125910841 = 8557^2 + 11221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199133090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765767 + ... + 766026.

Almost surely, 2^199133090 is an apocalyptic number.

199133090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199133090 is a deficient number, since it is larger than the sum of its proper divisors (186878998).

199133090 is a wasteful number, since it uses less digits than its factorization.

199133090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531813.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 199133090 is about 14111.4524411912. The cubic root of 199133090 is about 583.9573704574.

The spelling of 199133090 in words is "one hundred ninety-nine million, one hundred thirty-three thousand, ninety".