135425149 has 2 divisors, whose sum is σ = 135425150. Its totient is φ = 135425148.

The previous prime is 135425131. The next prime is 135425153. The reversal of 135425149 is 941524531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88021924 + 47403225 = 9382^2 + 6885^2 .

It is an emirp because it is prime and its reverse (941524531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135425149 - 2⁵ = 135425117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135420149) 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, 67712574 + 67712575.

It is an arithmetic number, because the mean of its divisors is an integer number (67712575).

Almost surely, 2^135425149 is an apocalyptic number.

It is an amenable number.

135425149 is a deficient number, since it is larger than the sum of its proper divisors (1).

135425149 is an equidigital number, since it uses as much as digits as its factorization.

135425149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 135425149 is about 11637.2311569376. The cubic root of 135425149 is about 513.5307341757.

The spelling of 135425149 in words is "one hundred thirty-five million, four hundred twenty-five thousand, one hundred forty-nine".