133505363444361 has 16 divisors (see below), whose sum is σ = 187380772011840. Its totient is φ = 84317006419200.

The previous prime is 133505363444357. The next prime is 133505363444377. The reversal of 133505363444361 is 163444363505331.

It is not a de Polignac number, because 133505363444361 - 2² = 133505363444357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133505363444261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27910540 + ... + 32342061.

It is an arithmetic number, because the mean of its divisors is an integer number (11711298250740).

Almost surely, 2^{133505363444361} is an apocalyptic number.

It is an amenable number.

133505363444361 is a deficient number, since it is larger than the sum of its proper divisors (53875408567479).

133505363444361 is a wasteful number, since it uses less digits than its factorization.

133505363444361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60291496.

The product of its (nonzero) digits is 13996800, while the sum is 51.

The spelling of 133505363444361 in words is "one hundred thirty-three trillion, five hundred five billion, three hundred sixty-three million, four hundred forty-four thousand, three hundred sixty-one".