140135 has 4 divisors (see below), whose sum is σ = 168168. Its totient is φ = 112104.

The previous prime is 140123. The next prime is 140143. The reversal of 140135 is 531041.

140135 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 140135 - 2⁶ = 140071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14009 + ... + 14018.

It is an arithmetic number, because the mean of its divisors is an integer number (42042).

2¹⁴⁰¹³⁵ is an apocalyptic number.

140135 is a deficient number, since it is larger than the sum of its proper divisors (28033).

140135 is an equidigital number, since it uses as much as digits as its factorization.

140135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28032.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 140135 is about 374.3460965470. The cubic root of 140135 is about 51.9416258163.

Adding to 140135 its reverse (531041), we get a palindrome (671176).

The spelling of 140135 in words is "one hundred forty thousand, one hundred thirty-five".