133143205240 has 64 divisors (see below), whose sum is σ = 301547331360. Its totient is φ = 52906452480.

The previous prime is 133143205229. The next prime is 133143205243. The reversal of 133143205240 is 42502341331.

It is a happy number.

It is a super-2 number, since 2×133143205240² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133143205199 and 133143205208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133143205243) 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, 23188770 + ... + 23194510.

Almost surely, 2^133143205240 is an apocalyptic number.

133143205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133143205240 is an abundant number, since it is smaller than the sum of its proper divisors (168404126120).

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

133143205240 is a wasteful number, since it uses less digits than its factorization.

133143205240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 9468 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 133143205240 its reverse (42502341331), we get a palindrome (175645546571).

The spelling of 133143205240 in words is "one hundred thirty-three billion, one hundred forty-three million, two hundred five thousand, two hundred forty".