133335772272 has 80 divisors (see below), whose sum is σ = 382903483680. Its totient is φ = 44424304128.

The previous prime is 133335772243. The next prime is 133335772289. The reversal of 133335772272 is 272277533331.

133335772272 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 3 + 577 + 2 + 2 + 72 = 666.

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, 858418 + ... + 1001774.

It is an arithmetic number, because the mean of its divisors is an integer number (4786293546).

Almost surely, 2^133335772272 is an apocalyptic number.

133335772272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133335772272 is an abundant number, since it is smaller than the sum of its proper divisors (249567711408).

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

133335772272 is a wasteful number, since it uses less digits than its factorization.

133335772272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145527 (or 145515 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 45.

The spelling of 133335772272 in words is "one hundred thirty-three billion, three hundred thirty-five million, seven hundred seventy-two thousand, two hundred seventy-two".