135279 has 6 divisors (see below), whose sum is σ = 195416. Its totient is φ = 90180.

The previous prime is 135277. The next prime is 135281. The reversal of 135279 is 972531.

It is an interprime number because it is at equal distance from previous prime (135277) and next prime (135281).

It is not a de Polignac number, because 135279 - 2¹ = 135277 is a prime.

It is a d-powerful number, because it can be written as 1 + 3⁶ + 2¹⁷ + 5⁵ + 7³ + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7507 + ... + 7524.

2¹³⁵²⁷⁹ is an apocalyptic number.

135279 is a deficient number, since it is larger than the sum of its proper divisors (60137).

135279 is a wasteful number, since it uses less digits than its factorization.

135279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037 (or 15034 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 135279 is about 367.8029363667. The cubic root of 135279 is about 51.3345935861.

It can be divided in two parts, 1352 and 79, that added together give a triangular number (1431 = T₅₃).

The spelling of 135279 in words is "one hundred thirty-five thousand, two hundred seventy-nine".