135847 has 8 divisors (see below), whose sum is σ = 147312. Its totient is φ = 124800.

The previous prime is 135841. The next prime is 135851. The reversal of 135847 is 748531.

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 135847 - 2⁷ = 135719 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972 + ... + 1102.

It is an arithmetic number, because the mean of its divisors is an integer number (18414).

2¹³⁵⁸⁴⁷ is an apocalyptic number.

135847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

135847 is a deficient number, since it is larger than the sum of its proper divisors (11465).

135847 is a wasteful number, since it uses less digits than its factorization.

135847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its digits is 3360, while the sum is 28.

The square root of 135847 is about 368.5742801662. The cubic root of 135847 is about 51.4063399650.

The spelling of 135847 in words is "one hundred thirty-five thousand, eight hundred forty-seven".