133530335720 has 32 divisors (see below), whose sum is σ = 300976953120. Its totient is φ = 53317254720.

The previous prime is 133530335707. The next prime is 133530335749. The reversal of 133530335720 is 27533035331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942186 + ... + 2987225.

It is an arithmetic number, because the mean of its divisors is an integer number (9405529785).

Almost surely, 2^133530335720 is an apocalyptic number.

133530335720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133530335720 is an abundant number, since it is smaller than the sum of its proper divisors (167446617400).

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

133530335720 is a wasteful number, since it uses less digits than its factorization.

133530335720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929985 (or 5929981 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 35.

The spelling of 133530335720 in words is "one hundred thirty-three billion, five hundred thirty million, three hundred thirty-five thousand, seven hundred twenty".