133443190 has 16 divisors (see below), whose sum is σ = 245784528. Its totient is φ = 52135776.

The previous prime is 133443179. The next prime is 133443221. The reversal of 133443190 is 91344331.

133443190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133443190² = 35614169914752200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154737 + ... + 155596.

It is an arithmetic number, because the mean of its divisors is an integer number (15361533).

Almost surely, 2^133443190 is an apocalyptic number.

133443190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133443190 is a deficient number, since it is larger than the sum of its proper divisors (112341338).

133443190 is a wasteful number, since it uses less digits than its factorization.

133443190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310383.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133443190 is about 11551.7613375623. The cubic root of 133443190 is about 511.0132234123.

The spelling of 133443190 in words is "one hundred thirty-three million, four hundred forty-three thousand, one hundred ninety".