133033413 has 4 divisors (see below), whose sum is σ = 177377888. Its totient is φ = 88688940.

The previous prime is 133033379. The next prime is 133033423. The reversal of 133033413 is 314330331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133033413 - 2¹⁴ = 133017029 is a prime.

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 133033413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133033423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22172233 + ... + 22172238.

It is an arithmetic number, because the mean of its divisors is an integer number (44344472).

Almost surely, 2^133033413 is an apocalyptic number.

It is an amenable number.

133033413 is a deficient number, since it is larger than the sum of its proper divisors (44344475).

133033413 is an equidigital number, since it uses as much as digits as its factorization.

133033413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44344474.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 133033413 is about 11534.0111409691. The cubic root of 133033413 is about 510.4896143888.

Adding to 133033413 its reverse (314330331), we get a palindrome (447363744).

It can be divided in two parts, 1330 and 33413, that added together give a palindrome (34743).

The spelling of 133033413 in words is "one hundred thirty-three million, thirty-three thousand, four hundred thirteen".