133000394 has 8 divisors (see below), whose sum is σ = 200143008. Its totient is φ = 66286060.

The previous prime is 133000381. The next prime is 133000403. The reversal of 133000394 is 493000331.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 106292 + ... + 107535.

It is an arithmetic number, because the mean of its divisors is an integer number (25017876).

Almost surely, 2^133000394 is an apocalyptic number.

133000394 is a deficient number, since it is larger than the sum of its proper divisors (67142614).

133000394 is a wasteful number, since it uses less digits than its factorization.

133000394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214140.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 133000394 is about 11532.5796767245. The cubic root of 133000394 is about 510.4473762499.

The spelling of 133000394 in words is "one hundred thirty-three million, three hundred ninety-four", and thus it is an aban number.