139873336 has 16 divisors (see below), whose sum is σ = 262396800. Its totient is φ = 69900864.

The previous prime is 139873313. The next prime is 139873339. The reversal of 139873336 is 633378931.

It is a junction number, because it is equal to n+sod(n) for n = 139873292 and 139873301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139873339) by changing a digit.

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, 19996 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (16399800).

Almost surely, 2^139873336 is an apocalyptic number.

It is an amenable number.

139873336 is a deficient number, since it is larger than the sum of its proper divisors (122523464).

139873336 is a wasteful number, since it uses less digits than its factorization.

139873336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958 (or 8954 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 139873336 is about 11826.8058240592. The cubic root of 139873336 is about 519.0927672034.

The spelling of 139873336 in words is "one hundred thirty-nine million, eight hundred seventy-three thousand, three hundred thirty-six".