135388586 has 4 divisors (see below), whose sum is σ = 203082882. Its totient is φ = 67694292.

The previous prime is 135388579. The next prime is 135388597. The reversal of 135388586 is 685883531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 685883531 = 83 ⋅8263657.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 47872561 = 9355^2 + 6919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135388586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33847145 + ... + 33847148.

Almost surely, 2^135388586 is an apocalyptic number.

135388586 is a deficient number, since it is larger than the sum of its proper divisors (67694296).

135388586 is an equidigital number, since it uses as much as digits as its factorization.

135388586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67694295.

The product of its digits is 691200, while the sum is 47.

The square root of 135388586 is about 11635.6601016015. The cubic root of 135388586 is about 513.4845145127.

The spelling of 135388586 in words is "one hundred thirty-five million, three hundred eighty-eight thousand, five hundred eighty-six".