133361394 has 16 divisors (see below), whose sum is σ = 273931968. Its totient is φ = 43252272.

The previous prime is 133361363. The next prime is 133361441. The reversal of 133361394 is 493163331.

133361394 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 2×133361394² = 35570522819246472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300142 + ... + 300585.

It is an arithmetic number, because the mean of its divisors is an integer number (17120748).

Almost surely, 2^133361394 is an apocalyptic number.

133361394 is an abundant number, since it is smaller than the sum of its proper divisors (140570574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133361394 is a wasteful number, since it uses less digits than its factorization.

133361394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600769.

The product of its digits is 17496, while the sum is 33.

The square root of 133361394 is about 11548.2203823793. The cubic root of 133361394 is about 510.9087910044.

The spelling of 133361394 in words is "one hundred thirty-three million, three hundred sixty-one thousand, three hundred ninety-four".