135402 has 8 divisors (see below), whose sum is σ = 270816. Its totient is φ = 45132.

The previous prime is 135391. The next prime is 135403. The reversal of 135402 is 204531.

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

135402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (135403) by changing a digit.

135402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11278 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (33852).

2¹³⁵⁴⁰² is an apocalyptic number.

135402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135402 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 135402 = (410352)₈.

135402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 135402 is about 367.9701074816. The cubic root of 135402 is about 51.3501472254.

Adding to 135402 its reverse (204531), we get a palindrome (339933).

The spelling of 135402 in words is "one hundred thirty-five thousand, four hundred two".