139838846 has 12 divisors (see below), whose sum is σ = 244004688. Its totient is φ = 59930892.

The previous prime is 139838833. The next prime is 139838851. The reversal of 139838846 is 648838931.

It is a super-2 number, since 2×139838846² = 39109805701223432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139838794 and 139838803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713366 + ... + 713561.

It is an arithmetic number, because the mean of its divisors is an integer number (20333724).

Almost surely, 2^139838846 is an apocalyptic number.

139838846 is a deficient number, since it is larger than the sum of its proper divisors (104165842).

139838846 is a wasteful number, since it uses less digits than its factorization.

139838846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426943 (or 1426936 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 139838846 is about 11825.3476058846. The cubic root of 139838846 is about 519.0500976906.

The spelling of 139838846 in words is "one hundred thirty-nine million, eight hundred thirty-eight thousand, eight hundred forty-six".