133920190 has 16 divisors (see below), whose sum is σ = 241188192. Its totient is φ = 53538784.

The previous prime is 133920187. The next prime is 133920209. The reversal of 133920190 is 91029331.

It is a super-2 number, since 2×133920190² = 35869234579272200, which contains 22 as substring.

It is a congruent number.

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, 33372 + ... + 37168.

It is an arithmetic number, because the mean of its divisors is an integer number (15074262).

Almost surely, 2^133920190 is an apocalyptic number.

133920190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133920190 is a deficient number, since it is larger than the sum of its proper divisors (107268002).

133920190 is a wasteful number, since it uses less digits than its factorization.

133920190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 133920190 is about 11572.3891223896. The cubic root of 133920190 is about 511.6213809522.

The spelling of 133920190 in words is "one hundred thirty-three million, nine hundred twenty thousand, one hundred ninety".