133311394 has 16 divisors (see below), whose sum is σ = 203224320. Its totient is φ = 65576160.

The previous prime is 133311389. The next prime is 133311401. The reversal of 133311394 is 493113331.

133311394 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 47782 + ... + 50494.

It is an arithmetic number, because the mean of its divisors is an integer number (12701520).

Almost surely, 2^133311394 is an apocalyptic number.

133311394 is a deficient number, since it is larger than the sum of its proper divisors (69912926).

133311394 is a wasteful number, since it uses less digits than its factorization.

133311394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105.

The product of its digits is 2916, while the sum is 28.

The square root of 133311394 is about 11546.0553437094. The cubic root of 133311394 is about 510.8449328619.

The spelling of 133311394 in words is "one hundred thirty-three million, three hundred eleven thousand, three hundred ninety-four".