133444144443 has 8 divisors (see below), whose sum is σ = 177949094400. Its totient is φ = 88950978728.

The previous prime is 133444144433. The next prime is 133444144523. The reversal of 133444144443 is 344441444331.

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 133444144443 - 2¹⁰ = 133444143419 is a prime.

It is a super-2 number, since 2×133444144443² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133444144423) 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 7 ways as a sum of consecutive naturals, for example, 2919603 + ... + 2964956.

It is an arithmetic number, because the mean of its divisors is an integer number (22243636800).

Almost surely, 2^133444144443 is an apocalyptic number.

133444144443 is a deficient number, since it is larger than the sum of its proper divisors (44504949957).

133444144443 is an equidigital number, since it uses as much as digits as its factorization.

133444144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892121.

The product of its digits is 442368, while the sum is 39.

Adding to 133444144443 its reverse (344441444331), we get a palindrome (477885588774).

The spelling of 133444144443 in words is "one hundred thirty-three billion, four hundred forty-four million, one hundred forty-four thousand, four hundred forty-three".