133043413520 has 80 divisors (see below), whose sum is σ = 325971136512. Its totient is φ = 50399500800.

The previous prime is 133043413513. The next prime is 133043413523. The reversal of 133043413520 is 25314340331.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (133043413523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172112 + ... + 543791.

Almost surely, 2^133043413520 is an apocalyptic number.

133043413520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133043413520 is an abundant number, since it is smaller than the sum of its proper divisors (192927722992).

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

133043413520 is a wasteful number, since it uses less digits than its factorization.

133043413520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716040 (or 716034 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 133043413520 its reverse (25314340331), we get a palindrome (158357753851).

The spelling of 133043413520 in words is "one hundred thirty-three billion, forty-three million, four hundred thirteen thousand, five hundred twenty".