133770137 has 2 divisors, whose sum is σ = 133770138. Its totient is φ = 133770136.

The previous prime is 133770113. The next prime is 133770179. The reversal of 133770137 is 731077331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90421081 + 43349056 = 9509^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 133770137 - 2⁶ = 133770073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133770337) 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, 66885068 + 66885069.

It is an arithmetic number, because the mean of its divisors is an integer number (66885069).

Almost surely, 2^133770137 is an apocalyptic number.

It is an amenable number.

133770137 is a deficient number, since it is larger than the sum of its proper divisors (1).

133770137 is an equidigital number, since it uses as much as digits as its factorization.

133770137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261, while the sum is 32.

The square root of 133770137 is about 11565.9040718830. The cubic root of 133770137 is about 511.4302247773.

The spelling of 133770137 in words is "one hundred thirty-three million, seven hundred seventy thousand, one hundred thirty-seven".