135577297 has 2 divisors, whose sum is σ = 135577298. Its totient is φ = 135577296.

The previous prime is 135577259. The next prime is 135577301. The reversal of 135577297 is 792775531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 11566801 = 11136^2 + 3401^2 .

It is an emirp because it is prime and its reverse (792775531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135577297 is a prime.

It is not a weakly prime, because it can be changed into another prime (135577207) 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, 67788648 + 67788649.

It is an arithmetic number, because the mean of its divisors is an integer number (67788649).

Almost surely, 2^135577297 is an apocalyptic number.

It is an amenable number.

135577297 is a deficient number, since it is larger than the sum of its proper divisors (1).

135577297 is an equidigital number, since it uses as much as digits as its factorization.

135577297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 463050, while the sum is 46.

The square root of 135577297 is about 11643.7664438961. The cubic root of 135577297 is about 513.7229767360.

The spelling of 135577297 in words is "one hundred thirty-five million, five hundred seventy-seven thousand, two hundred ninety-seven".