133424011 has 6 divisors (see below), whose sum is σ = 155207580. Its totient is φ = 114363396.

The previous prime is 133424009. The next prime is 133424033. The reversal of 133424011 is 110424331.

It is not a de Polignac number, because 133424011 - 2¹ = 133424009 is a prime.

It is a super-2 number, since 2×133424011² = 35603933422656242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133424011.

It is not an unprimeable number, because it can be changed into a prime (133424051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1361421 + ... + 1361518.

It is an arithmetic number, because the mean of its divisors is an integer number (25867930).

Almost surely, 2^133424011 is an apocalyptic number.

133424011 is a deficient number, since it is larger than the sum of its proper divisors (21783569).

133424011 is an equidigital number, since it uses as much as digits as its factorization.

133424011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722953 (or 2722946 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 133424011 is about 11550.9311745850. The cubic root of 133424011 is about 510.9887406039.

Adding to 133424011 its reverse (110424331), we get a palindrome (243848342).

The spelling of 133424011 in words is "one hundred thirty-three million, four hundred twenty-four thousand, eleven".