133456806 has 24 divisors (see below), whose sum is σ = 330464784. Its totient is φ = 38130480.

The previous prime is 133456781. The next prime is 133456823. The reversal of 133456806 is 608654331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529465 + ... + 529716.

It is an arithmetic number, because the mean of its divisors is an integer number (13769366).

Almost surely, 2^133456806 is an apocalyptic number.

133456806 is an abundant number, since it is smaller than the sum of its proper divisors (197007978).

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

133456806 is a wasteful number, since it uses less digits than its factorization.

133456806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059196 (or 1059193 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 133456806 is about 11552.3506698853. The cubic root of 133456806 is about 511.0306033910.

The spelling of 133456806 in words is "one hundred thirty-three million, four hundred fifty-six thousand, eight hundred six".