135596761 has 2 divisors, whose sum is σ = 135596762. Its totient is φ = 135596760.

The previous prime is 135596689. The next prime is 135596771. The reversal of 135596761 is 167695531.

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., 86862400 + 48734361 = 9320^2 + 6981^2 .

It is a cyclic number.

It is not a de Polignac number, because 135596761 - 2⁷ = 135596633 is a prime.

It is a super-2 number, since 2×135596761² = 36772963187382242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135596771) 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, 67798380 + 67798381.

It is an arithmetic number, because the mean of its divisors is an integer number (67798381).

Almost surely, 2^135596761 is an apocalyptic number.

It is an amenable number.

135596761 is a deficient number, since it is larger than the sum of its proper divisors (1).

135596761 is an equidigital number, since it uses as much as digits as its factorization.

135596761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 43.

The square root of 135596761 is about 11644.6022259243. The cubic root of 135596761 is about 513.7475595774.

The spelling of 135596761 in words is "one hundred thirty-five million, five hundred ninety-six thousand, seven hundred sixty-one".