133040827520 has 64 divisors (see below), whose sum is σ = 323441510400. Its totient is φ = 52314344448.

The previous prime is 133040827499. The next prime is 133040827567. The reversal of 133040827520 is 25728040331.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723904 + ... + 1799423.

It is an arithmetic number, because the mean of its divisors is an integer number (5053773600).

Almost surely, 2^133040827520 is an apocalyptic number.

133040827520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133040827520 is an abundant number, since it is smaller than the sum of its proper divisors (190400682880).

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

133040827520 is an equidigital number, since it uses as much as digits as its factorization.

133040827520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523405 (or 3523393 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 133040827520 its reverse (25728040331), we get a palindrome (158768867851).

The spelling of 133040827520 in words is "one hundred thirty-three billion, forty million, eight hundred twenty-seven thousand, five hundred twenty".