133206613272 has 48 divisors (see below), whose sum is σ = 366882633000. Its totient is φ = 43649623296.

The previous prime is 133206613237. The next prime is 133206613283. The reversal of 133206613272 is 272316602331.

133206613272 is a `hidden beast` number, since 1 + 3 + 32 + 0 + 6 + 613 + 2 + 7 + 2 = 666.

133206613272 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15674497 + ... + 15682992.

Almost surely, 2^133206613272 is an apocalyptic number.

133206613272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133206613272 is an abundant number, since it is smaller than the sum of its proper divisors (233676019728).

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

133206613272 is a wasteful number, since it uses less digits than its factorization.

133206613272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31357560 (or 31357553 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 133206613272 in words is "one hundred thirty-three billion, two hundred six million, six hundred thirteen thousand, two hundred seventy-two".