133193390 has 32 divisors (see below), whose sum is σ = 262090080. Its totient is φ = 48332800.

The previous prime is 133193381. The next prime is 133193443. The reversal of 133193390 is 93391331.

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 15 ways as a sum of consecutive naturals, for example, 69566 + ... + 71454.

It is an arithmetic number, because the mean of its divisors is an integer number (8190315).

Almost surely, 2^133193390 is an apocalyptic number.

133193390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133193390 is a deficient number, since it is larger than the sum of its proper divisors (128896690).

133193390 is a wasteful number, since it uses less digits than its factorization.

133193390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 6561, while the sum is 32.

The square root of 133193390 is about 11540.9440688360. The cubic root of 133193390 is about 510.6941592007.

The spelling of 133193390 in words is "one hundred thirty-three million, one hundred ninety-three thousand, three hundred ninety".