133040827530 has 96 divisors (see below), whose sum is σ = 372926211840. Its totient is φ = 32712301440.

The previous prime is 133040827499. The next prime is 133040827567. The reversal of 133040827530 is 35728040331.

133040827530 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 40 + 82 + 7 + 530 = 666.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 1003461 + ... + 1128279.

It is an arithmetic number, because the mean of its divisors is an integer number (3884648040).

Almost surely, 2^133040827530 is an apocalyptic number.

133040827530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133040827530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186463105920).

133040827530 is an abundant number, since it is smaller than the sum of its proper divisors (239885384310).

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

133040827530 is a wasteful number, since it uses less digits than its factorization.

133040827530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125756 (or 125753 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 133040827530 its reverse (35728040331), we get a palindrome (168768867861).

The spelling of 133040827530 in words is "one hundred thirty-three billion, forty million, eight hundred twenty-seven thousand, five hundred thirty".