139935 has 16 divisors (see below), whose sum is σ = 236160. Its totient is φ = 70560.

The previous prime is 139921. The next prime is 139939. The reversal of 139935 is 539931.

139935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139935 - 2⁶ = 139871 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

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 139935.

It is not an unprimeable number, because it can be changed into a prime (139939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 530.

It is an arithmetic number, because the mean of its divisors is an integer number (14760).

2¹³⁹⁹³⁵ is an apocalyptic number.

139935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139935 is a deficient number, since it is larger than the sum of its proper divisors (96225).

139935 is a wasteful number, since it uses less digits than its factorization.

139935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 3645, while the sum is 30.

The square root of 139935 is about 374.0788686895. The cubic root of 139935 is about 51.9169037717.

The spelling of 139935 in words is "one hundred thirty-nine thousand, nine hundred thirty-five".