134679 has 4 divisors (see below), whose sum is σ = 179576. Its totient is φ = 89784.

The previous prime is 134677. The next prime is 134681. The reversal of 134679 is 976431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976431 = 3 ⋅325477.

It is an interprime number because it is at equal distance from previous prime (134677) and next prime (134681).

It is not a de Polignac number, because 134679 - 2¹ = 134677 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134677) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22444 + ... + 22449.

It is an arithmetic number, because the mean of its divisors is an integer number (44894).

2¹³⁴⁶⁷⁹ is an apocalyptic number.

134679 is a deficient number, since it is larger than the sum of its proper divisors (44897).

134679 is an equidigital number, since it uses as much as digits as its factorization.

134679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44896.

The product of its digits is 4536, while the sum is 30.

The square root of 134679 is about 366.9863757689. The cubic root of 134679 is about 51.2585867032.

The spelling of 134679 in words is "one hundred thirty-four thousand, six hundred seventy-nine".