135392 has 12 divisors (see below), whose sum is σ = 266616. Its totient is φ = 67680.

The previous prime is 135391. The next prime is 135403. The reversal of 135392 is 293531.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 135392.

It is not an unprimeable number, because it can be changed into a prime (135391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (22218).

2¹³⁵³⁹² is an apocalyptic number.

It is an amenable number.

135392 is a deficient number, since it is larger than the sum of its proper divisors (131224).

135392 is an equidigital number, since it uses as much as digits as its factorization.

135392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4233 counting only the distinct ones).

The product of its digits is 810, while the sum is 23.

The square root of 135392 is about 367.9565191704. The cubic root of 135392 is about 51.3488830537.

The spelling of 135392 in words is "one hundred thirty-five thousand, three hundred ninety-two".