133212304040 has 16 divisors (see below), whose sum is σ = 299727684180. Its totient is φ = 53284921600.

The previous prime is 133212304021. The next prime is 133212304087. The reversal of 133212304040 is 40403212331.

It can be written as a sum of positive squares in 2 ways, for example, as 133208940484 + 3363556 = 364978^2 + 1834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133212303997 and 133212304015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665153761 + ... + 1665153840.

Almost surely, 2^133212304040 is an apocalyptic number.

133212304040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212304040 is an abundant number, since it is smaller than the sum of its proper divisors (166515380140).

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

133212304040 is a wasteful number, since it uses less digits than its factorization.

133212304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330307612 (or 3330307608 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 133212304040 its reverse (40403212331), we get a palindrome (173615516371).

The spelling of 133212304040 in words is "one hundred thirty-three billion, two hundred twelve million, three hundred four thousand, forty".