133280723352 has 64 divisors (see below), whose sum is σ = 380835866880. Its totient is φ = 38076826752.

The previous prime is 133280723339. The next prime is 133280723369. The reversal of 133280723352 is 253327082331.

It is a self number, because there is not a number n which added to its sum of digits gives 133280723352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2337778 + ... + 2394110.

It is an arithmetic number, because the mean of its divisors is an integer number (5950560420).

Almost surely, 2^133280723352 is an apocalyptic number.

133280723352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133280723352 is an abundant number, since it is smaller than the sum of its proper divisors (247555143528).

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

133280723352 is a wasteful number, since it uses less digits than its factorization.

133280723352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70432 (or 70428 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 133280723352 in words is "one hundred thirty-three billion, two hundred eighty million, seven hundred twenty-three thousand, three hundred fifty-two".