135911137 has 2 divisors, whose sum is σ = 135911138. Its totient is φ = 135911136.

The previous prime is 135911131. The next prime is 135911143. The reversal of 135911137 is 731119531.

It is a balanced prime because it is at equal distance from previous prime (135911131) and next prime (135911143).

It can be written as a sum of positive squares in only one way, i.e., 105042001 + 30869136 = 10249^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 135911137 - 2¹¹ = 135909089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135911099 and 135911108.

It is not a weakly prime, because it can be changed into another prime (135911131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67955568 + 67955569.

It is an arithmetic number, because the mean of its divisors is an integer number (67955569).

Almost surely, 2^135911137 is an apocalyptic number.

It is an amenable number.

135911137 is a deficient number, since it is larger than the sum of its proper divisors (1).

135911137 is an equidigital number, since it uses as much as digits as its factorization.

135911137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2835, while the sum is 31.

The square root of 135911137 is about 11658.0931974316. The cubic root of 135911137 is about 514.1442879454.

The spelling of 135911137 in words is "one hundred thirty-five million, nine hundred eleven thousand, one hundred thirty-seven".