135938 has 16 divisors (see below), whose sum is σ = 229824. Its totient is φ = 59760.

The previous prime is 135937. The next prime is 135977. The reversal of 135938 is 839531.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 135938.

It is not an unprimeable number, because it can be changed into a prime (135937) 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 in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2¹³⁵⁹³⁸ is an apocalyptic number.

135938 is a deficient number, since it is larger than the sum of its proper divisors (93886).

135938 is a wasteful number, since it uses less digits than its factorization.

135938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its digits is 3240, while the sum is 29.

The square root of 135938 is about 368.6977081567. The cubic root of 135938 is about 51.4178159460.

The spelling of 135938 in words is "one hundred thirty-five thousand, nine hundred thirty-eight".