139683219 has 8 divisors (see below), whose sum is σ = 200570832. Its totient is φ = 85958880.

The previous prime is 139683157. The next prime is 139683223. The reversal of 139683219 is 912386931.

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

It is not a de Polignac number, because 139683219 - 2¹³ = 139675027 is a prime.

It is a super-2 number, since 2×139683219² = 39022803340403922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139683239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790772 + ... + 1790849.

It is an arithmetic number, because the mean of its divisors is an integer number (25071354).

Almost surely, 2^139683219 is an apocalyptic number.

139683219 is a deficient number, since it is larger than the sum of its proper divisors (60887613).

139683219 is a wasteful number, since it uses less digits than its factorization.

139683219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581637.

The product of its digits is 69984, while the sum is 42.

The square root of 139683219 is about 11818.7655446751. The cubic root of 139683219 is about 518.8574755009.

The spelling of 139683219 in words is "one hundred thirty-nine million, six hundred eighty-three thousand, two hundred nineteen".