134139 has 8 divisors (see below), whose sum is σ = 182032. Its totient is φ = 87840.

The previous prime is 134129. The next prime is 134153. The reversal of 134139 is 931431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134139 - 2¹² = 130043 is a prime.

It is a Duffinian number.

134139 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 184 + ... + 549.

It is an arithmetic number, because the mean of its divisors is an integer number (22754).

2¹³⁴¹³⁹ is an apocalyptic number.

134139 is a deficient number, since it is larger than the sum of its proper divisors (47893).

134139 is an equidigital number, since it uses as much as digits as its factorization.

134139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797.

The product of its digits is 324, while the sum is 21.

The square root of 134139 is about 366.2499146758. The cubic root of 134139 is about 51.1899872591.

The spelling of 134139 in words is "one hundred thirty-four thousand, one hundred thirty-nine".