133845190 has 16 divisors (see below), whose sum is σ = 246048192. Its totient is φ = 52398784.

The previous prime is 133845161. The next prime is 133845191. The reversal of 133845190 is 91548331.

It is a super-2 number, since 2×133845190² = 35829069772272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133845191) 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, 141919 + ... + 142858.

It is an arithmetic number, because the mean of its divisors is an integer number (15378012).

Almost surely, 2^133845190 is an apocalyptic number.

133845190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133845190 is a deficient number, since it is larger than the sum of its proper divisors (112203002).

133845190 is a wasteful number, since it uses less digits than its factorization.

133845190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284831.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 133845190 is about 11569.1481968207. The cubic root of 133845190 is about 511.5258544824.

The spelling of 133845190 in words is "one hundred thirty-three million, eight hundred forty-five thousand, one hundred ninety".