133013332240 has 20 divisors (see below), whose sum is σ = 309255997644. Its totient is φ = 53205332864.

The previous prime is 133013332229. The next prime is 133013332267. The reversal of 133013332240 is 42233310331.

It can be written as a sum of positive squares in 2 ways, for example, as 103694304256 + 29319027984 = 322016^2 + 171228^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831333247 + ... + 831333406.

Almost surely, 2^133013332240 is an apocalyptic number.

133013332240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133013332240 is an abundant number, since it is smaller than the sum of its proper divisors (176242665404).

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

133013332240 is a wasteful number, since it uses less digits than its factorization.

133013332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662666666 (or 1662666660 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133013332240 its reverse (42233310331), we get a palindrome (175246642571).

The spelling of 133013332240 in words is "one hundred thirty-three billion, thirteen million, three hundred thirty-two thousand, two hundred forty".