138682735 has 8 divisors (see below), whose sum is σ = 167009040. Its totient is φ = 110553024.

The previous prime is 138682723. The next prime is 138682741. The reversal of 138682735 is 537286831.

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 138682735 - 2⁵ = 138682703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138682691 and 138682700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47590 + ... + 50419.

It is an arithmetic number, because the mean of its divisors is an integer number (20876130).

Almost surely, 2^138682735 is an apocalyptic number.

138682735 is a deficient number, since it is larger than the sum of its proper divisors (28326305).

138682735 is an equidigital number, since it uses as much as digits as its factorization.

138682735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98297.

The product of its digits is 241920, while the sum is 43.

The square root of 138682735 is about 11776.3634030205. The cubic root of 138682735 is about 517.6157302217.

The spelling of 138682735 in words is "one hundred thirty-eight million, six hundred eighty-two thousand, seven hundred thirty-five".