135058813 has 2 divisors, whose sum is σ = 135058814. Its totient is φ = 135058812.

The previous prime is 135058811. The next prime is 135058831. The reversal of 135058813 is 318850531.

135058813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (135058831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89927289 + 45131524 = 9483^2 + 6718^2 .

It is a cyclic number.

It is not a de Polignac number, because 135058813 - 2¹ = 135058811 is a prime.

Together with 135058811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135058811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67529406 + 67529407.

It is an arithmetic number, because the mean of its divisors is an integer number (67529407).

Almost surely, 2^135058813 is an apocalyptic number.

It is an amenable number.

135058813 is a deficient number, since it is larger than the sum of its proper divisors (1).

135058813 is an equidigital number, since it uses as much as digits as its factorization.

135058813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 135058813 is about 11621.4806715840. The cubic root of 135058813 is about 513.0672686064.

The spelling of 135058813 in words is "one hundred thirty-five million, fifty-eight thousand, eight hundred thirteen".