135886349 has 2 divisors, whose sum is σ = 135886350. Its totient is φ = 135886348.

The previous prime is 135886339. The next prime is 135886363. The reversal of 135886349 is 943688531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132664324 + 3222025 = 11518^2 + 1795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135886349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135886339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67943174 + 67943175.

It is an arithmetic number, because the mean of its divisors is an integer number (67943175).

Almost surely, 2^135886349 is an apocalyptic number.

It is an amenable number.

135886349 is a deficient number, since it is larger than the sum of its proper divisors (1).

135886349 is an equidigital number, since it uses as much as digits as its factorization.

135886349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The square root of 135886349 is about 11657.0300248391. The cubic root of 135886349 is about 514.1130288355.

The spelling of 135886349 in words is "one hundred thirty-five million, eight hundred eighty-six thousand, three hundred forty-nine".