133311006 has 24 divisors (see below), whose sum is σ = 294292440. Its totient is φ = 43598256.

The previous prime is 133310993. The next prime is 133311007. The reversal of 133311006 is 600113331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 133311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68916 + ... + 70823.

It is an arithmetic number, because the mean of its divisors is an integer number (12262185).

Almost surely, 2^133311006 is an apocalyptic number.

133311006 is an abundant number, since it is smaller than the sum of its proper divisors (160981434).

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

133311006 is a wasteful number, since it uses less digits than its factorization.

133311006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139800 (or 139797 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 133311006 is about 11546.0385414219. The cubic root of 133311006 is about 510.8444372603.

Adding to 133311006 its reverse (600113331), we get a palindrome (733424337).

The spelling of 133311006 in words is "one hundred thirty-three million, three hundred eleven thousand, six".