135705441 has 24 divisors (see below), whose sum is σ = 193444384. Its totient is φ = 84602880.

The previous prime is 135705439. The next prime is 135705443. The reversal of 135705441 is 144507531.

It is an interprime number because it is at equal distance from previous prime (135705439) and next prime (135705443).

It is not a de Polignac number, because 135705441 - 2¹ = 135705439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135705399 and 135705408.

It is not an unprimeable number, because it can be changed into a prime (135705443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166926 + ... + 167736.

Almost surely, 2^135705441 is an apocalyptic number.

It is an amenable number.

135705441 is a deficient number, since it is larger than the sum of its proper divisors (57738943).

135705441 is a wasteful number, since it uses less digits than its factorization.

135705441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 135705441 is about 11649.2678310699. The cubic root of 135705441 is about 513.8847781317.

The spelling of 135705441 in words is "one hundred thirty-five million, seven hundred five thousand, four hundred forty-one".