133982626778 has 48 divisors (see below), whose sum is σ = 274657721184. Its totient is φ = 48185555040.

The previous prime is 133982626769. The next prime is 133982626783. The reversal of 133982626778 is 877626289331.

It is a super-2 number, since 2×133982626778² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133982626778.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4766300 + ... + 4794327.

It is an arithmetic number, because the mean of its divisors is an integer number (5722035858).

Almost surely, 2^133982626778 is an apocalyptic number.

133982626778 is an abundant number, since it is smaller than the sum of its proper divisors (140675094406).

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

133982626778 is a wasteful number, since it uses less digits than its factorization.

133982626778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560667 (or 9560660 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The spelling of 133982626778 in words is "one hundred thirty-three billion, nine hundred eighty-two million, six hundred twenty-six thousand, seven hundred seventy-eight".