223680139 has 2 divisors, whose sum is σ = 223680140. Its totient is φ = 223680138.

The previous prime is 223680137. The next prime is 223680167. The reversal of 223680139 is 931086322.

It is a happy number.

223680139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223680139 - 2¹ = 223680137 is a prime.

Together with 223680137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (223680137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111840069 + 111840070.

It is an arithmetic number, because the mean of its divisors is an integer number (111840070).

Almost surely, 2^223680139 is an apocalyptic number.

223680139 is a deficient number, since it is larger than the sum of its proper divisors (1).

223680139 is an equidigital number, since it uses as much as digits as its factorization.

223680139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 223680139 is about 14955.9399236558. The cubic root of 223680139 is about 607.0285833428.

The spelling of 223680139 in words is "two hundred twenty-three million, six hundred eighty thousand, one hundred thirty-nine".