133743337687 has 4 divisors (see below), whose sum is σ = 133794135360. Its totient is φ = 133692540016.

The previous prime is 133743337681. The next prime is 133743337801. The reversal of 133743337687 is 786733347331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786733347331 = 2347 ⋅335208073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133743337687 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 (133743337681) 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, 25394887 + ... + 25400152.

It is an arithmetic number, because the mean of its divisors is an integer number (33448533840).

Almost surely, 2^133743337687 is an apocalyptic number.

133743337687 is a deficient number, since it is larger than the sum of its proper divisors (50797673).

133743337687 is an equidigital number, since it uses as much as digits as its factorization.

133743337687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50797672.

The product of its digits is 16003008, while the sum is 55.

The spelling of 133743337687 in words is "one hundred thirty-three billion, seven hundred forty-three million, three hundred thirty-seven thousand, six hundred eighty-seven".