133403213333 has 16 divisors (see below), whose sum is σ = 146434838256. Its totient is φ = 120769159680.

The previous prime is 133403213311. The next prime is 133403213389. The reversal of 133403213333 is 333312304331.

It can be written as a sum of positive squares in 8 ways, for example, as 28545116209 + 104858097124 = 168953^2 + 323818^2 .

It is a de Polignac number, because none of the positive numbers 2^k-133403213333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133403213296 and 133403213305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133403213833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723913 + ... + 1799633.

It is an arithmetic number, because the mean of its divisors is an integer number (9152177391).

Almost surely, 2^133403213333 is an apocalyptic number.

133403213333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133403213333 is a deficient number, since it is larger than the sum of its proper divisors (13031624923).

133403213333 is a wasteful number, since it uses less digits than its factorization.

133403213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78344.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 133403213333 its reverse (333312304331), we get a palindrome (466715517664).

The spelling of 133403213333 in words is "one hundred thirty-three billion, four hundred three million, two hundred thirteen thousand, three hundred thirty-three".