135665347 has 8 divisors (see below), whose sum is σ = 139505600. Its totient is φ = 131834304.

The previous prime is 135665333. The next prime is 135665363. The reversal of 135665347 is 743566531.

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 135665347 - 2¹¹ = 135663299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135665147) by changing a digit.

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, 36679 + ... + 40207.

It is an arithmetic number, because the mean of its divisors is an integer number (17438200).

Almost surely, 2^135665347 is an apocalyptic number.

135665347 is a deficient number, since it is larger than the sum of its proper divisors (3840253).

135665347 is a wasteful number, since it uses less digits than its factorization.

135665347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605.

The product of its digits is 226800, while the sum is 40.

The square root of 135665347 is about 11647.5468232585. The cubic root of 135665347 is about 513.8341642786.

The spelling of 135665347 in words is "one hundred thirty-five million, six hundred sixty-five thousand, three hundred forty-seven".