139830235 has 8 divisors (see below), whose sum is σ = 168421680. Its totient is φ = 111447264.

The previous prime is 139830233. The next prime is 139830241. The reversal of 139830235 is 532038931.

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 139830235 - 2¹ = 139830233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139830235.

It is not an unprimeable number, because it can be changed into a prime (139830233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50637 + ... + 53326.

It is an arithmetic number, because the mean of its divisors is an integer number (21052710).

Almost surely, 2^139830235 is an apocalyptic number.

139830235 is a deficient number, since it is larger than the sum of its proper divisors (28591445).

139830235 is a wasteful number, since it uses less digits than its factorization.

139830235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104237.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 139830235 is about 11824.9835095022. The cubic root of 139830235 is about 519.0394434453.

The spelling of 139830235 in words is "one hundred thirty-nine million, eight hundred thirty thousand, two hundred thirty-five".