135774601 has 2 divisors, whose sum is σ = 135774602. Its totient is φ = 135774600.

The previous prime is 135774581. The next prime is 135774619. The reversal of 135774601 is 106477531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105083001 + 30691600 = 10251^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 135774601 - 2²⁵ = 102220169 is a prime.

It is not a weakly prime, because it can be changed into another prime (135774641) 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, 67887300 + 67887301.

It is an arithmetic number, because the mean of its divisors is an integer number (67887301).

Almost surely, 2^135774601 is an apocalyptic number.

It is an amenable number.

135774601 is a deficient number, since it is larger than the sum of its proper divisors (1).

135774601 is an equidigital number, since it uses as much as digits as its factorization.

135774601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 135774601 is about 11652.2358798644. The cubic root of 135774601 is about 513.9720608896.

The spelling of 135774601 in words is "one hundred thirty-five million, seven hundred seventy-four thousand, six hundred one".