133389106 has 24 divisors (see below), whose sum is σ = 215016660. Its totient is φ = 62042112.

The previous prime is 133389097. The next prime is 133389131. The reversal of 133389106 is 601983331.

It can be written as a sum of positive squares in 6 ways, for example, as 90421081 + 42968025 = 9509^2 + 6555^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 11 ways as a sum of consecutive naturals, for example, 50146 + ... + 52738.

Almost surely, 2^133389106 is an apocalyptic number.

133389106 is a deficient number, since it is larger than the sum of its proper divisors (81627554).

133389106 is a wasteful number, since it uses less digits than its factorization.

133389106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 133389106 is about 11549.4201586054. The cubic root of 133389106 is about 510.9441768669.

The spelling of 133389106 in words is "one hundred thirty-three million, three hundred eighty-nine thousand, one hundred six".