135388347 has 4 divisors (see below), whose sum is σ = 180517800. Its totient is φ = 90258896.

The previous prime is 135388343. The next prime is 135388349. The reversal of 135388347 is 743883531.

135388347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135388347 - 2² = 135388343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135388299 and 135388308.

It is not an unprimeable number, because it can be changed into a prime (135388343) 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, 22564722 + ... + 22564727.

It is an arithmetic number, because the mean of its divisors is an integer number (45129450).

Almost surely, 2^135388347 is an apocalyptic number.

135388347 is a deficient number, since it is larger than the sum of its proper divisors (45129453).

135388347 is an equidigital number, since it uses as much as digits as its factorization.

135388347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45129452.

The product of its digits is 241920, while the sum is 42.

The square root of 135388347 is about 11635.6498314447. The cubic root of 135388347 is about 513.4842123630.

The spelling of 135388347 in words is "one hundred thirty-five million, three hundred eighty-eight thousand, three hundred forty-seven".