133346138887 has 16 divisors (see below), whose sum is σ = 144096220800. Its totient is φ = 122666837472.

The previous prime is 133346138843. The next prime is 133346139029. The reversal of 133346138887 is 788831643331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133346138887 - 2²³ = 133337750279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133346138087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9461548 + ... + 9475630.

It is an arithmetic number, because the mean of its divisors is an integer number (9006013800).

Almost surely, 2^133346138887 is an apocalyptic number.

133346138887 is a deficient number, since it is larger than the sum of its proper divisors (10750081913).

133346138887 is a wasteful number, since it uses less digits than its factorization.

133346138887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16542.

The product of its digits is 6967296, while the sum is 55.

The spelling of 133346138887 in words is "one hundred thirty-three billion, three hundred forty-six million, one hundred thirty-eight thousand, eight hundred eighty-seven".