133755438722 has 8 divisors (see below), whose sum is σ = 202887463500. Its totient is φ = 66126284224.

The previous prime is 133755438683. The next prime is 133755438731. The reversal of 133755438722 is 227834557331.

133755438722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125797193041 + 7958245681 = 354679^2 + 89209^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375717347 + ... + 375717702.

Almost surely, 2^133755438722 is an apocalyptic number.

133755438722 is a deficient number, since it is larger than the sum of its proper divisors (69132024778).

133755438722 is an equidigital number, since it uses as much as digits as its factorization.

133755438722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751435140.

The product of its digits is 4233600, while the sum is 50.

The spelling of 133755438722 in words is "one hundred thirty-three billion, seven hundred fifty-five million, four hundred thirty-eight thousand, seven hundred twenty-two".