134979 has 8 divisors (see below), whose sum is σ = 193872. Its totient is φ = 83040.

The previous prime is 134951. The next prime is 134989. The reversal of 134979 is 979431.

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

It is not a de Polignac number, because 134979 - 2⁵ = 134947 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 9 + 4³ + 7⁵ + 9⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (24234).

2¹³⁴⁹⁷⁹ is an apocalyptic number.

134979 is a deficient number, since it is larger than the sum of its proper divisors (58893).

134979 is a wasteful number, since it uses less digits than its factorization.

134979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

The product of its digits is 6804, while the sum is 33.

The square root of 134979 is about 367.3948829257. The cubic root of 134979 is about 51.2966182998.

It can be divided in two parts, 1 and 34979, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 134979 in words is "one hundred thirty-four thousand, nine hundred seventy-nine".