135704 has 8 divisors (see below), whose sum is σ = 254460. Its totient is φ = 67848.

The previous prime is 135701. The next prime is 135719. The reversal of 135704 is 407531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135701) 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, 8474 + ... + 8489.

2¹³⁵⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

135704 is a deficient number, since it is larger than the sum of its proper divisors (118756).

135704 is a wasteful number, since it uses less digits than its factorization.

135704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969 (or 16965 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 135704 is about 368.3802383408. The cubic root of 135704 is about 51.3882959215.

The spelling of 135704 in words is "one hundred thirty-five thousand, seven hundred four".