135936277 has 2 divisors, whose sum is σ = 135936278. Its totient is φ = 135936276.

The previous prime is 135936263. The next prime is 135936289. The reversal of 135936277 is 772639531.

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., 125753796 + 10182481 = 11214^2 + 3191^2 .

It is a cyclic number.

It is not a de Polignac number, because 135936277 - 2²³ = 127547669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135936217) 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, 67968138 + 67968139.

It is an arithmetic number, because the mean of its divisors is an integer number (67968139).

Almost surely, 2^135936277 is an apocalyptic number.

It is an amenable number.

135936277 is a deficient number, since it is larger than the sum of its proper divisors (1).

135936277 is an equidigital number, since it uses as much as digits as its factorization.

135936277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 43.

The square root of 135936277 is about 11659.1713684978. The cubic root of 135936277 is about 514.1759870659.

It can be divided in two parts, 1359 and 36277, that added together give a square (37636 = 194²).

The spelling of 135936277 in words is "one hundred thirty-five million, nine hundred thirty-six thousand, two hundred seventy-seven".