138680335 has 8 divisors (see below), whose sum is σ = 175175280. Its totient is φ = 105105024.

The previous prime is 138680323. The next prime is 138680341. The reversal of 138680335 is 533086831.

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 138680335 - 2⁵ = 138680303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138680294 and 138680303.

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, 729802 + ... + 729991.

It is an arithmetic number, because the mean of its divisors is an integer number (21896910).

Almost surely, 2^138680335 is an apocalyptic number.

138680335 is a deficient number, since it is larger than the sum of its proper divisors (36494945).

138680335 is a wasteful number, since it uses less digits than its factorization.

138680335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459817.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 138680335 is about 11776.2615035503. The cubic root of 138680335 is about 517.6127443059.

The spelling of 138680335 in words is "one hundred thirty-eight million, six hundred eighty thousand, three hundred thirty-five".