133781022848 has 72 divisors (see below), whose sum is σ = 293048017815. Its totient is φ = 60788865280.

The previous prime is 133781022847. The next prime is 133781022871. The reversal of 133781022848 is 848220187331.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 66890511424 + 66890511424 = 258632^2 + 258632^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=258632.

It is a super-2 number, since 2×133781022848² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133781022847) 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 8 ways as a sum of consecutive naturals, for example, 45517763 + ... + 45520701.

Almost surely, 2^133781022848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133781022848

133781022848 is an abundant number, since it is smaller than the sum of its proper divisors (159266994967).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133781022848 is an frugal number, since it uses more digits than its factorization.

133781022848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5914 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 133781022848 in words is "one hundred thirty-three billion, seven hundred eighty-one million, twenty-two thousand, eight hundred forty-eight".