135336571 has 2 divisors, whose sum is σ = 135336572. Its totient is φ = 135336570.

The previous prime is 135336521. The next prime is 135336629. The reversal of 135336571 is 175633531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135336571 - 2⁹ = 135336059 is a prime.

It is equal to p_7663453 and since 135336571 and 7663453 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135336521) 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, 67668285 + 67668286.

It is an arithmetic number, because the mean of its divisors is an integer number (67668286).

Almost surely, 2^135336571 is an apocalyptic number.

135336571 is a deficient number, since it is larger than the sum of its proper divisors (1).

135336571 is an equidigital number, since it uses as much as digits as its factorization.

135336571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 34.

The square root of 135336571 is about 11633.4247322102. The cubic root of 135336571 is about 513.4187474763.

The spelling of 135336571 in words is "one hundred thirty-five million, three hundred thirty-six thousand, five hundred seventy-one".