135387 has 18 divisors (see below), whose sum is σ = 228228. Its totient is φ = 77112.

The previous prime is 135367. The next prime is 135389. The reversal of 135387 is 783531.

It is not a de Polignac number, because 135387 - 2⁸ = 135131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135387.

It is not an unprimeable number, because it can be changed into a prime (135389) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 288 + ... + 594.

2¹³⁵³⁸⁷ is an apocalyptic number.

135387 is a deficient number, since it is larger than the sum of its proper divisors (92841).

135387 is a wasteful number, since it uses less digits than its factorization.

135387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 317 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 135387 is about 367.9497248266. The cubic root of 135387 is about 51.3482509446.

It can be divided in two parts, 1353 and 87, that multiplied together give a palindrome (117711).

The spelling of 135387 in words is "one hundred thirty-five thousand, three hundred eighty-seven".