133525112240 has 80 divisors (see below), whose sum is σ = 338083048800. Its totient is φ = 48747595776.

The previous prime is 133525112219. The next prime is 133525112243. The reversal of 133525112240 is 42211525331.

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 (133525112243) 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, 628730 + ... + 813849.

It is an arithmetic number, because the mean of its divisors is an integer number (4226038110).

Almost surely, 2^133525112240 is an apocalyptic number.

133525112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133525112240 is an abundant number, since it is smaller than the sum of its proper divisors (204557936560).

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

133525112240 is a wasteful number, since it uses less digits than its factorization.

133525112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442694 (or 1442688 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 133525112240 its reverse (42211525331), we get a palindrome (175736637571).

The spelling of 133525112240 in words is "one hundred thirty-three billion, five hundred twenty-five million, one hundred twelve thousand, two hundred forty".