133440432133 has 4 divisors (see below), whose sum is σ = 133445117260. Its totient is φ = 133435747008.

The previous prime is 133440432131. The next prime is 133440432149. The reversal of 133440432133 is 331234044331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64093529889 + 69346902244 = 253167^2 + 263338^2 .

It is a cyclic number.

It is not a de Polignac number, because 133440432133 - 2¹ = 133440432131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133440432095 and 133440432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133440432131) 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, 2299578 + ... + 2356891.

It is an arithmetic number, because the mean of its divisors is an integer number (33361279315).

Almost surely, 2^133440432133 is an apocalyptic number.

It is an amenable number.

133440432133 is a deficient number, since it is larger than the sum of its proper divisors (4685127).

133440432133 is an equidigital number, since it uses as much as digits as its factorization.

133440432133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685126.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 133440432133 its reverse (331234044331), we get a palindrome (464674476464).

The spelling of 133440432133 in words is "one hundred thirty-three billion, four hundred forty million, four hundred thirty-two thousand, one hundred thirty-three".