133746733 has 4 divisors (see below), whose sum is σ = 134080668. Its totient is φ = 133412800.

The previous prime is 133746707. The next prime is 133746751. The reversal of 133746733 is 337647331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 123365449 + 10381284 = 11107^2 + 3222^2 .

It is a cyclic number.

It is not a de Polignac number, because 133746733 - 2¹⁷ = 133615661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133746692 and 133746701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133746133) 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, 166366 + ... + 167167.

It is an arithmetic number, because the mean of its divisors is an integer number (33520167).

Almost surely, 2^133746733 is an apocalyptic number.

It is an amenable number.

133746733 is a deficient number, since it is larger than the sum of its proper divisors (333935).

133746733 is an equidigital number, since it uses as much as digits as its factorization.

133746733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333934.

The product of its digits is 95256, while the sum is 37.

The square root of 133746733 is about 11564.8922606309. The cubic root of 133746733 is about 511.4003969663.

The spelling of 133746733 in words is "one hundred thirty-three million, seven hundred forty-six thousand, seven hundred thirty-three".