133444221243 has 8 divisors (see below), whose sum is σ = 177932935488. Its totient is φ = 88959160584.

The previous prime is 133444221233. The next prime is 133444221247. The reversal of 133444221243 is 342122444331.

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

It is not a de Polignac number, because 133444221243 - 2⁶ = 133444221179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133444221247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827005 + ... + 975102.

It is an arithmetic number, because the mean of its divisors is an integer number (22241616936).

Almost surely, 2^133444221243 is an apocalyptic number.

133444221243 is a deficient number, since it is larger than the sum of its proper divisors (44488714245).

133444221243 is a wasteful number, since it uses less digits than its factorization.

133444221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826793.

The product of its digits is 55296, while the sum is 33.

Adding to 133444221243 its reverse (342122444331), we get a palindrome (475566665574).

The spelling of 133444221243 in words is "one hundred thirty-three billion, four hundred forty-four million, two hundred twenty-one thousand, two hundred forty-three".