135665341 has 4 divisors (see below), whose sum is σ = 155046112. Its totient is φ = 116284572.

The previous prime is 135665333. The next prime is 135665363. The reversal of 135665341 is 143566531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143566531 = 431 ⋅333101.

It is a cyclic number.

It is not a de Polignac number, because 135665341 - 2³ = 135665333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135665297 and 135665306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135665311) by changing a digit.

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, 9690375 + ... + 9690388.

It is an arithmetic number, because the mean of its divisors is an integer number (38761528).

Almost surely, 2^135665341 is an apocalyptic number.

It is an amenable number.

135665341 is a deficient number, since it is larger than the sum of its proper divisors (19380771).

135665341 is an equidigital number, since it uses as much as digits as its factorization.

135665341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19380770.

The product of its digits is 32400, while the sum is 34.

The square root of 135665341 is about 11647.5465656936. The cubic root of 135665341 is about 513.8341567036.

The spelling of 135665341 in words is "one hundred thirty-five million, six hundred sixty-five thousand, three hundred forty-one".