135852859 has 2 divisors, whose sum is σ = 135852860. Its totient is φ = 135852858.

The previous prime is 135852853. The next prime is 135852887. The reversal of 135852859 is 958258531.

135852859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (958258531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135852859 - 2³ = 135852851 is a prime.

It is not a weakly prime, because it can be changed into another prime (135852851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67926429 + 67926430.

It is an arithmetic number, because the mean of its divisors is an integer number (67926430).

Almost surely, 2^135852859 is an apocalyptic number.

135852859 is a deficient number, since it is larger than the sum of its proper divisors (1).

135852859 is an equidigital number, since it uses as much as digits as its factorization.

135852859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 46.

The square root of 135852859 is about 11655.5934640841. The cubic root of 135852859 is about 514.0707899594.

The spelling of 135852859 in words is "one hundred thirty-five million, eight hundred fifty-two thousand, eight hundred fifty-nine".