135620113 has 2 divisors, whose sum is σ = 135620114. Its totient is φ = 135620112.

The previous prime is 135620077. The next prime is 135620117. The reversal of 135620113 is 311026531.

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., 112848129 + 22771984 = 10623^2 + 4772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135620113 is a prime.

It is not a weakly prime, because it can be changed into another prime (135620117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67810056 + 67810057.

It is an arithmetic number, because the mean of its divisors is an integer number (67810057).

Almost surely, 2^135620113 is an apocalyptic number.

It is an amenable number.

135620113 is a deficient number, since it is larger than the sum of its proper divisors (1).

135620113 is an equidigital number, since it uses as much as digits as its factorization.

135620113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 135620113 is about 11645.6048790949. The cubic root of 135620113 is about 513.7770498206. Note that the first 3 decimals are identical.

Adding to 135620113 its reverse (311026531), we get a palindrome (446646644).

The spelling of 135620113 in words is "one hundred thirty-five million, six hundred twenty thousand, one hundred thirteen".