138930535 has 8 divisors (see below), whose sum is σ = 167590656. Its totient is φ = 110561760.

The previous prime is 138930529. The next prime is 138930541. The reversal of 138930535 is 535039831.

It is an interprime number because it is at equal distance from previous prime (138930529) and next prime (138930541).

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

It is not a de Polignac number, because 138930535 - 2²³ = 130541927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 138930494 and 138930503.

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, 71784 + ... + 73693.

It is an arithmetic number, because the mean of its divisors is an integer number (20948832).

Almost surely, 2^138930535 is an apocalyptic number.

138930535 is a deficient number, since it is larger than the sum of its proper divisors (28660121).

138930535 is a wasteful number, since it uses less digits than its factorization.

138930535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145673.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 138930535 is about 11786.8797821985. The cubic root of 138930535 is about 517.9238408130.

The spelling of 138930535 in words is "one hundred thirty-eight million, nine hundred thirty thousand, five hundred thirty-five".