133342346687 has 4 divisors (see below), whose sum is σ = 145464378216. Its totient is φ = 121220315160.

The previous prime is 133342346681. The next prime is 133342346747. The reversal of 133342346687 is 786643243331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133342346687 - 2⁶ = 133342346623 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 (133342346681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061015748 + ... + 6061015769.

It is an arithmetic number, because the mean of its divisors is an integer number (36366094554).

Almost surely, 2^133342346687 is an apocalyptic number.

133342346687 is a deficient number, since it is larger than the sum of its proper divisors (12122031529).

133342346687 is a wasteful number, since it uses less digits than its factorization.

133342346687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122031528.

The product of its digits is 5225472, while the sum is 50.

The spelling of 133342346687 in words is "one hundred thirty-three billion, three hundred forty-two million, three hundred forty-six thousand, six hundred eighty-seven".