134858 has 4 divisors (see below), whose sum is σ = 202290. Its totient is φ = 67428.

The previous prime is 134857. The next prime is 134867. The reversal of 134858 is 858431.

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

It can be written as a sum of positive squares in only one way, i.e., 134689 + 169 = 367^2 + 13^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134858.

It is not an unprimeable number, because it can be changed into a prime (134851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33713 + ... + 33716.

2¹³⁴⁸⁵⁸ is an apocalyptic number.

134858 is a deficient number, since it is larger than the sum of its proper divisors (67432).

134858 is an equidigital number, since it uses as much as digits as its factorization.

134858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67431.

The product of its digits is 3840, while the sum is 29.

The square root of 134858 is about 367.2301730523. The cubic root of 134858 is about 51.2812856766.

It can be divided in two parts, 13485 and 8, that multiplied together give a triangular number (107880 = T₄₆₄).

The spelling of 134858 in words is "one hundred thirty-four thousand, eight hundred fifty-eight".