133752737 has 2 divisors, whose sum is σ = 133752738. Its totient is φ = 133752736.

The previous prime is 133752721. The next prime is 133752739. The reversal of 133752737 is 737257331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124456336 + 9296401 = 11156^2 + 3049^2 .

It is a cyclic number.

It is not a de Polignac number, because 133752737 - 2⁴ = 133752721 is a prime.

Together with 133752739, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133752737.

It is not a weakly prime, because it can be changed into another prime (133752739) 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 as a sum of consecutive naturals, namely, 66876368 + 66876369.

It is an arithmetic number, because the mean of its divisors is an integer number (66876369).

Almost surely, 2^133752737 is an apocalyptic number.

It is an amenable number.

133752737 is a deficient number, since it is larger than the sum of its proper divisors (1).

133752737 is an equidigital number, since it uses as much as digits as its factorization.

133752737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92610, while the sum is 38.

The square root of 133752737 is about 11565.1518364438. The cubic root of 133752737 is about 511.4080492455.

The spelling of 133752737 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, seven hundred thirty-seven".