133494906 has 8 divisors (see below), whose sum is σ = 266989824. Its totient is φ = 44498300.

The previous prime is 133494877. The next prime is 133494929. The reversal of 133494906 is 609494331.

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

133494906 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11124570 + ... + 11124581.

It is an arithmetic number, because the mean of its divisors is an integer number (33373728).

Almost surely, 2^133494906 is an apocalyptic number.

133494906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133494906 is a wasteful number, since it uses less digits than its factorization.

133494906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22249156.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 133494906 is about 11553.9995672494. Note that the first 3 decimals coincide. The cubic root of 133494906 is about 511.0792293948.

The spelling of 133494906 in words is "one hundred thirty-three million, four hundred ninety-four thousand, nine hundred six".