135806059 has 2 divisors, whose sum is σ = 135806060. Its totient is φ = 135806058.

The previous prime is 135806057. The next prime is 135806093. The reversal of 135806059 is 950608531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135806059 - 2¹ = 135806057 is a prime.

It is a super-2 number, since 2×135806059² = 36886571322222962, which contains 22 as substring.

Together with 135806057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135806057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67903029 + 67903030.

It is an arithmetic number, because the mean of its divisors is an integer number (67903030).

Almost surely, 2^135806059 is an apocalyptic number.

135806059 is a deficient number, since it is larger than the sum of its proper divisors (1).

135806059 is an equidigital number, since it uses as much as digits as its factorization.

135806059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 135806059 is about 11653.5856713717. The cubic root of 135806059 is about 514.0117523695.

The spelling of 135806059 in words is "one hundred thirty-five million, eight hundred six thousand, fifty-nine".