139855196 has 12 divisors (see below), whose sum is σ = 263573352. Its totient is φ = 64548528.

The previous prime is 139855159. The next prime is 139855237. The reversal of 139855196 is 691558931.

It is a self number, because there is not a number n which added to its sum of digits gives 139855196.

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 3 ways as a sum of consecutive naturals, for example, 1344710 + ... + 1344813.

It is an arithmetic number, because the mean of its divisors is an integer number (21964446).

Almost surely, 2^139855196 is an apocalyptic number.

It is an amenable number.

139855196 is a deficient number, since it is larger than the sum of its proper divisors (123718156).

139855196 is a wasteful number, since it uses less digits than its factorization.

139855196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689540 (or 2689538 counting only the distinct ones).

The product of its digits is 291600, while the sum is 47.

The square root of 139855196 is about 11826.0388972809. The cubic root of 139855196 is about 519.0703260669.

The spelling of 139855196 in words is "one hundred thirty-nine million, eight hundred fifty-five thousand, one hundred ninety-six".