133300013550 has 48 divisors (see below), whose sum is σ = 360637132032. Its totient is φ = 32315154400.

The previous prime is 133300013537. The next prime is 133300013557. The reversal of 133300013550 is 55310003331.

133300013550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×133300013550² (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 133300013550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133300013557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40392294 + ... + 40395593.

It is an arithmetic number, because the mean of its divisors is an integer number (7513273584).

Almost surely, 2^133300013550 is an apocalyptic number.

133300013550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133300013550 is an abundant number, since it is smaller than the sum of its proper divisors (227337118482).

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

133300013550 is a wasteful number, since it uses less digits than its factorization.

133300013550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80787913 (or 80787908 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 24.

Adding to 133300013550 its reverse (55310003331), we get a palindrome (188610016881).

The spelling of 133300013550 in words is "one hundred thirty-three billion, three hundred million, thirteen thousand, five hundred fifty".