135670 has 8 divisors (see below), whose sum is σ = 244224. Its totient is φ = 54264.

The previous prime is 135661. The next prime is 135671. The reversal of 135670 is 76531.

135670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6774 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (30528).

2¹³⁵⁶⁷⁰ is an apocalyptic number.

135670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135670 is a deficient number, since it is larger than the sum of its proper divisors (108554).

135670 is a wasteful number, since it uses less digits than its factorization.

135670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 135670 is about 368.3340874804. The cubic root of 135670 is about 51.3840038643.

The spelling of 135670 in words is "one hundred thirty-five thousand, six hundred seventy".