388135 has 8 divisors (see below), whose sum is σ = 508176. Its totient is φ = 282240.

The previous prime is 388133. The next prime is 388159. The reversal of 388135 is 531883.

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

It is not a de Polignac number, because 388135 - 2¹ = 388133 is a prime.

It is a Duffinian number.

388135 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388133) 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, 3474 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (63522).

2³⁸⁸¹³⁵ is an apocalyptic number.

388135 is a deficient number, since it is larger than the sum of its proper divisors (120041).

388135 is a wasteful number, since it uses less digits than its factorization.

388135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073.

The product of its digits is 2880, while the sum is 28.

The square root of 388135 is about 623.0048153907. The cubic root of 388135 is about 72.9447884273.

It can be divided in two parts, 3881 and 35, that added together give a triangular number (3916 = T₈₈).

The spelling of 388135 in words is "three hundred eighty-eight thousand, one hundred thirty-five".