133424403 has 96 divisors (see below), whose sum is σ = 238141440. Its totient is φ = 65862720.

The previous prime is 133424383. The next prime is 133424419. The reversal of 133424403 is 304424331.

It is not a de Polignac number, because 133424403 - 2⁶ = 133424339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133424303) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1991376 + ... + 1991442.

It is an arithmetic number, because the mean of its divisors is an integer number (2480640).

Almost surely, 2^133424403 is an apocalyptic number.

133424403 is a deficient number, since it is larger than the sum of its proper divisors (104717037).

133424403 is a wasteful number, since it uses less digits than its factorization.

133424403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 133424403 is about 11550.9481429015. The cubic root of 133424403 is about 510.9892410320.

Adding to 133424403 its reverse (304424331), we get a palindrome (437848734).

The spelling of 133424403 in words is "one hundred thirty-three million, four hundred twenty-four thousand, four hundred three".