135149137 has 2 divisors, whose sum is σ = 135149138. Its totient is φ = 135149136.

The previous prime is 135149051. The next prime is 135149143. The reversal of 135149137 is 731941531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120472576 + 14676561 = 10976^2 + 3831^2 .

It is an emirp because it is prime and its reverse (731941531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135149137 is a prime.

It is not a weakly prime, because it can be changed into another prime (135149177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67574568 + 67574569.

It is an arithmetic number, because the mean of its divisors is an integer number (67574569).

Almost surely, 2^135149137 is an apocalyptic number.

It is an amenable number.

135149137 is a deficient number, since it is larger than the sum of its proper divisors (1).

135149137 is an equidigital number, since it uses as much as digits as its factorization.

135149137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 135149137 is about 11625.3661017621. The cubic root of 135149137 is about 513.1816186931.

The spelling of 135149137 in words is "one hundred thirty-five million, one hundred forty-nine thousand, one hundred thirty-seven".