158135 has 4 divisors (see below), whose sum is σ = 189768. Its totient is φ = 126504.

The previous prime is 158129. The next prime is 158141. The reversal of 158135 is 531851.

158135 = T₂₄₉ + T₂₅₀ + ... + T₂₅₃.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531851 = 97 ⋅5483.

It is an interprime number because it is at equal distance from previous prime (158129) and next prime (158141).

It is a cyclic number.

It is not a de Polignac number, because 158135 - 2⁶ = 158071 is a prime.

It is a super-3 number, since 3×158135³ = 11863293183331125, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15809 + ... + 15818.

It is an arithmetic number, because the mean of its divisors is an integer number (47442).

2¹⁵⁸¹³⁵ is an apocalyptic number.

158135 is a deficient number, since it is larger than the sum of its proper divisors (31633).

158135 is an equidigital number, since it uses as much as digits as its factorization.

158135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31632.

The product of its digits is 600, while the sum is 23.

The square root of 158135 is about 397.6619167082. The cubic root of 158135 is about 54.0765945520.

Adding to 158135 its reverse (531851), we get a palindrome (689986).

The spelling of 158135 in words is "one hundred fifty-eight thousand, one hundred thirty-five".