135854 has 4 divisors (see below), whose sum is σ = 203784. Its totient is φ = 67926.

The previous prime is 135851. The next prime is 135859. The reversal of 135854 is 458531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33962 + ... + 33965.

It is an arithmetic number, because the mean of its divisors is an integer number (50946).

2¹³⁵⁸⁵⁴ is an apocalyptic number.

135854 is a deficient number, since it is larger than the sum of its proper divisors (67930).

135854 is an equidigital number, since it uses as much as digits as its factorization.

135854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67929.

The product of its digits is 2400, while the sum is 26.

The square root of 135854 is about 368.5837760944. The cubic root of 135854 is about 51.4072229147.

It can be divided in two parts, 135 and 854, that added together give a palindrome (989).

The spelling of 135854 in words is "one hundred thirty-five thousand, eight hundred fifty-four".