135840337 has 2 divisors, whose sum is σ = 135840338. Its totient is φ = 135840336.

The previous prime is 135840307. The next prime is 135840349. The reversal of 135840337 is 733048531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127780416 + 8059921 = 11304^2 + 2839^2 .

It is a cyclic number.

It is not a de Polignac number, because 135840337 - 2²⁷ = 1622609 is a prime.

It is not a weakly prime, because it can be changed into another prime (135840307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67920168 + 67920169.

It is an arithmetic number, because the mean of its divisors is an integer number (67920169).

Almost surely, 2^135840337 is an apocalyptic number.

It is an amenable number.

135840337 is a deficient number, since it is larger than the sum of its proper divisors (1).

135840337 is an equidigital number, since it uses as much as digits as its factorization.

135840337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 135840337 is about 11655.0562847204. The cubic root of 135840337 is about 514.0549949484.

Adding to 135840337 its reverse (733048531), we get a palindrome (868888868).

The spelling of 135840337 in words is "one hundred thirty-five million, eight hundred forty thousand, three hundred thirty-seven".