133411403 has 4 divisors (see below), whose sum is σ = 133903968. Its totient is φ = 132918840.

The previous prime is 133411387. The next prime is 133411429. The reversal of 133411403 is 304114331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133411403 - 2⁴ = 133411387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133411463) 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 3 ways as a sum of consecutive naturals, for example, 245876 + ... + 246417.

It is an arithmetic number, because the mean of its divisors is an integer number (33475992).

Almost surely, 2^133411403 is an apocalyptic number.

133411403 is a deficient number, since it is larger than the sum of its proper divisors (492565).

133411403 is an equidigital number, since it uses as much as digits as its factorization.

133411403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492564.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133411403 is about 11550.3854048252. The cubic root of 133411403 is about 510.9726446780.

Adding to 133411403 its reverse (304114331), we get a palindrome (437525734).

The spelling of 133411403 in words is "one hundred thirty-three million, four hundred eleven thousand, four hundred three".