135541705 has 8 divisors (see below), whose sum is σ = 175161672. Its totient is φ = 100092288.

The previous prime is 135541699. The next prime is 135541729. The reversal of 135541705 is 507145531.

It can be written as a sum of positive squares in 4 ways, for example, as 32478601 + 103063104 = 5699^2 + 10152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135541705 - 2⁷ = 135541577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042564 + ... + 1042693.

It is an arithmetic number, because the mean of its divisors is an integer number (21895209).

Almost surely, 2^135541705 is an apocalyptic number.

It is an amenable number.

135541705 is a deficient number, since it is larger than the sum of its proper divisors (39619967).

135541705 is a wasteful number, since it uses less digits than its factorization.

135541705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085275.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 135541705 is about 11642.2379721426. The cubic root of 135541705 is about 513.6780183031.

The spelling of 135541705 in words is "one hundred thirty-five million, five hundred forty-one thousand, seven hundred five".