135105895 has 4 divisors (see below), whose sum is σ = 162127080. Its totient is φ = 108084712.

The previous prime is 135105889. The next prime is 135105913. The reversal of 135105895 is 598501531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 598501531 = 31 ⋅19306501.

It is a cyclic number.

It is not a de Polignac number, because 135105895 - 2¹¹ = 135103847 is a prime.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 13510585 + ... + 13510594.

It is an arithmetic number, because the mean of its divisors is an integer number (40531770).

Almost surely, 2^135105895 is an apocalyptic number.

135105895 is a deficient number, since it is larger than the sum of its proper divisors (27021185).

135105895 is an equidigital number, since it uses as much as digits as its factorization.

135105895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021184.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 135105895 is about 11623.5061405757. The cubic root of 135105895 is about 513.1268807269.

It can be divided in two parts, 135 and 105895, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 135105895 in words is "one hundred thirty-five million, one hundred five thousand, eight hundred ninety-five".