138932935 has 8 divisors (see below), whose sum is σ = 168195600. Its totient is φ = 110162304.

The previous prime is 138932909. The next prime is 138933017. The reversal of 138932935 is 539239831.

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

It is a cyclic number.

It is not a de Polignac number, because 138932935 - 2¹¹ = 138930887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138932891 and 138932900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122385 + ... + 123514.

It is an arithmetic number, because the mean of its divisors is an integer number (21024450).

Almost surely, 2^138932935 is an apocalyptic number.

138932935 is a deficient number, since it is larger than the sum of its proper divisors (29262665).

138932935 is a wasteful number, since it uses less digits than its factorization.

138932935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246017.

The product of its digits is 174960, while the sum is 43.

The square root of 138932935 is about 11786.9815898728. The cubic root of 138932935 is about 517.9268231429.

The spelling of 138932935 in words is "one hundred thirty-eight million, nine hundred thirty-two thousand, nine hundred thirty-five".