133971227352 has 96 divisors (see below), whose sum is σ = 365639040000. Its totient is φ = 44313635520.

The previous prime is 133971227339. The next prime is 133971227353. The reversal of 133971227352 is 253722179331.

133971227352 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 71 + 227 + 352 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 133971227298 and 133971227307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133971227353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5417977 + ... + 5442647.

It is an arithmetic number, because the mean of its divisors is an integer number (3808740000).

Almost surely, 2^133971227352 is an apocalyptic number.

133971227352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133971227352 is an abundant number, since it is smaller than the sum of its proper divisors (231667812648).

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

133971227352 is a wasteful number, since it uses less digits than its factorization.

133971227352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261 (or 25254 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The spelling of 133971227352 in words is "one hundred thirty-three billion, nine hundred seventy-one million, two hundred twenty-seven thousand, three hundred fifty-two".