133743743 has 8 divisors (see below), whose sum is σ = 161841312. Its totient is φ = 107894016.

The previous prime is 133743733. The next prime is 133743767. The reversal of 133743743 is 347347331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133743743 - 2¹⁸ = 133481599 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 (133743733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561830 + ... + 562067.

It is an arithmetic number, because the mean of its divisors is an integer number (20230164).

Almost surely, 2^133743743 is an apocalyptic number.

133743743 is a deficient number, since it is larger than the sum of its proper divisors (28097569).

133743743 is a wasteful number, since it uses less digits than its factorization.

133743743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123921.

The product of its digits is 63504, while the sum is 35.

The square root of 133743743 is about 11564.7629893569. The cubic root of 133743743 is about 511.3965860356.

The spelling of 133743743 in words is "one hundred thirty-three million, seven hundred forty-three thousand, seven hundred forty-three".