133407803 has 8 divisors (see below), whose sum is σ = 134215488. Its totient is φ = 132603264.

The previous prime is 133407779. The next prime is 133407817. The reversal of 133407803 is 308704331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133407803 - 2¹⁸ = 133145659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133407893) 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 7 ways as a sum of consecutive naturals, for example, 217325 + ... + 217937.

It is an arithmetic number, because the mean of its divisors is an integer number (16776936).

Almost surely, 2^133407803 is an apocalyptic number.

133407803 is a deficient number, since it is larger than the sum of its proper divisors (807685).

133407803 is an equidigital number, since it uses as much as digits as its factorization.

133407803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 133407803 is about 11550.2295648182. The cubic root of 133407803 is about 510.9680485739.

The spelling of 133407803 in words is "one hundred thirty-three million, four hundred seven thousand, eight hundred three".