133506664226 has 16 divisors (see below), whose sum is σ = 216484640064. Its totient is φ = 61384166544.

The previous prime is 133506664189. The next prime is 133506664243. The reversal of 133506664226 is 622466605331.

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, 9755276 + ... + 9768951.

It is an arithmetic number, because the mean of its divisors is an integer number (13530290004).

Almost surely, 2^133506664226 is an apocalyptic number.

133506664226 is a deficient number, since it is larger than the sum of its proper divisors (82977975838).

133506664226 is a wasteful number, since it uses less digits than its factorization.

133506664226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19524505.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 133506664226 in words is "one hundred thirty-three billion, five hundred six million, six hundred sixty-four thousand, two hundred twenty-six".