135545647 has 8 divisors (see below), whose sum is σ = 142693344. Its totient is φ = 128502528.

The previous prime is 135545617. The next prime is 135545659. The reversal of 135545647 is 746545531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135545647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135545617) 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, 23478 + ... + 28675.

It is an arithmetic number, because the mean of its divisors is an integer number (17836668).

Almost surely, 2^135545647 is an apocalyptic number.

135545647 is a deficient number, since it is larger than the sum of its proper divisors (7147697).

135545647 is a wasteful number, since it uses less digits than its factorization.

135545647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52289.

The product of its digits is 252000, while the sum is 40.

The square root of 135545647 is about 11642.4072682586. The cubic root of 135545647 is about 513.6829980721.

The spelling of 135545647 in words is "one hundred thirty-five million, five hundred forty-five thousand, six hundred forty-seven".