133140255040 has 84 divisors (see below), whose sum is σ = 343304059644. Its totient is φ = 49159458816.

The previous prime is 133140255011. The next prime is 133140255041. The reversal of 133140255040 is 40552041331.

It can be written as a sum of positive squares in 6 ways, for example, as 43207442496 + 89932812544 = 207864^2 + 299888^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133140255041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1176877 + ... + 1285036.

It is an arithmetic number, because the mean of its divisors is an integer number (4086953091).

Almost surely, 2^133140255040 is an apocalyptic number.

133140255040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133140255040 is an abundant number, since it is smaller than the sum of its proper divisors (210163804604).

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

133140255040 is a wasteful number, since it uses less digits than its factorization.

133140255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461956 (or 2461933 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 133140255040 its reverse (40552041331), we get a palindrome (173692296371).

The spelling of 133140255040 in words is "one hundred thirty-three billion, one hundred forty million, two hundred fifty-five thousand, forty".