133333113 has 16 divisors (see below), whose sum is σ = 180683136. Its totient is φ = 87442560.

The previous prime is 133333111. The next prime is 133333141. The reversal of 133333113 is 311333331.

It is not a de Polignac number, because 133333113 - 2¹ = 133333111 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 133333113.

It is not an unprimeable number, because it can be changed into a prime (133333111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141223 + ... + 142163.

It is an arithmetic number, because the mean of its divisors is an integer number (11292696).

Almost surely, 2^133333113 is an apocalyptic number.

It is an amenable number.

133333113 is a deficient number, since it is larger than the sum of its proper divisors (47350023).

133333113 is an equidigital number, since it uses as much as digits as its factorization.

133333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664.

The product of its digits is 729, while the sum is 21.

The square root of 133333113 is about 11546.9958430754. The cubic root of 133333113 is about 510.8726735230.

Adding to 133333113 its reverse (311333331), we get a palindrome (444666444).

The spelling of 133333113 in words is "one hundred thirty-three million, three hundred thirty-three thousand, one hundred thirteen".