133247710944 has 144 divisors (see below), whose sum is σ = 386510355504. Its totient is φ = 43531776000.

The previous prime is 133247710943. The next prime is 133247710963. The reversal of 133247710944 is 449017742331.

133247710944 is a `hidden beast` number, since 1 + 3 + 32 + 477 + 109 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×133247710944² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133247710944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133247710943) 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 23 ways as a sum of consecutive naturals, for example, 4958344 + ... + 4985144.

It is an arithmetic number, because the mean of its divisors is an integer number (2684099691).

Almost surely, 2^133247710944 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 133247710944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193255177752).

133247710944 is an abundant number, since it is smaller than the sum of its proper divisors (253262644560).

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

133247710944 is a wasteful number, since it uses less digits than its factorization.

133247710944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27161 (or 27150 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 133247710944 in words is "one hundred thirty-three billion, two hundred forty-seven million, seven hundred ten thousand, nine hundred forty-four".