133743037 has 4 divisors (see below), whose sum is σ = 133782876. Its totient is φ = 133703200.

The previous prime is 133743031. The next prime is 133743053. The reversal of 133743037 is 730347331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730347331 = 7 ⋅104335333.

It can be written as a sum of positive squares in 2 ways, for example, as 66928761 + 66814276 = 8181^2 + 8174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133743037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133743031) 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 3 ways as a sum of consecutive naturals, for example, 14368 + ... + 21769.

It is an arithmetic number, because the mean of its divisors is an integer number (33445719).

Almost surely, 2^133743037 is an apocalyptic number.

It is an amenable number.

133743037 is a deficient number, since it is larger than the sum of its proper divisors (39839).

133743037 is an equidigital number, since it uses as much as digits as its factorization.

133743037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39838.

The product of its (nonzero) digits is 15876, while the sum is 31.

The square root of 133743037 is about 11564.7324655610. The cubic root of 133743037 is about 511.3956861889.

The spelling of 133743037 in words is "one hundred thirty-three million, seven hundred forty-three thousand, thirty-seven".