139356223 has 6 divisors (see below), whose sum is σ = 144328184. Its totient is φ = 134550024.

The previous prime is 139356221. The next prime is 139356251. The reversal of 139356223 is 322653931.

139356223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139356223 - 2¹ = 139356221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139356221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82011 + ... + 83692.

Almost surely, 2^139356223 is an apocalyptic number.

139356223 is a deficient number, since it is larger than the sum of its proper divisors (4971961).

139356223 is an equidigital number, since it uses as much as digits as its factorization.

139356223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165761 (or 165732 counting only the distinct ones).

The product of its digits is 29160, while the sum is 34.

The square root of 139356223 is about 11804.9236761616. The cubic root of 139356223 is about 518.4522803589.

The spelling of 139356223 in words is "one hundred thirty-nine million, three hundred fifty-six thousand, two hundred twenty-three".