133031155666240 has 224 divisors, whose sum is σ = 341494621332480. Its totient is φ = 49069343932416.

The previous prime is 133031155666237. The next prime is 133031155666411. The reversal of 133031155666240 is 42666551130331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26484400369 + ... + 26484405391.

It is an arithmetic number, because the mean of its divisors is an integer number (1524529559520).

Almost surely, 2^{133031155666240} is an apocalyptic number.

133031155666240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133031155666240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170747310666240).

133031155666240 is an abundant number, since it is smaller than the sum of its proper divisors (208463465666240).

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

133031155666240 is a wasteful number, since it uses less digits than its factorization.

133031155666240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249 (or 10239 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 133031155666240 in words is "one hundred thirty-three trillion, thirty-one billion, one hundred fifty-five million, six hundred sixty-six thousand, two hundred forty".