135893647 has 4 divisors (see below), whose sum is σ = 135953896. Its totient is φ = 135833400.

The previous prime is 135893629. The next prime is 135893671. The reversal of 135893647 is 746398531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135893647 - 2⁷ = 135893519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135893597 and 135893606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135893617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26604 + ... + 31297.

It is an arithmetic number, because the mean of its divisors is an integer number (33988474).

Almost surely, 2^135893647 is an apocalyptic number.

135893647 is a deficient number, since it is larger than the sum of its proper divisors (60249).

135893647 is an equidigital number, since it uses as much as digits as its factorization.

135893647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60248.

The product of its digits is 544320, while the sum is 46.

The square root of 135893647 is about 11657.3430506269. The cubic root of 135893647 is about 514.1222324329.

The spelling of 135893647 in words is "one hundred thirty-five million, eight hundred ninety-three thousand, six hundred forty-seven".