133255106 has 4 divisors (see below), whose sum is σ = 199882662. Its totient is φ = 66627552.

The previous prime is 133255069. The next prime is 133255121. The reversal of 133255106 is 601552331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 102839881 + 30415225 = 10141^2 + 5515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33313775 + ... + 33313778.

Almost surely, 2^133255106 is an apocalyptic number.

133255106 is a deficient number, since it is larger than the sum of its proper divisors (66627556).

133255106 is an equidigital number, since it uses as much as digits as its factorization.

133255106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66627555.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 133255106 is about 11543.6175439071. The cubic root of 133255106 is about 510.7730248110.

The spelling of 133255106 in words is "one hundred thirty-three million, two hundred fifty-five thousand, one hundred six".