28114230139 has 2 divisors, whose sum is σ = 28114230140. Its totient is φ = 28114230138.

The previous prime is 28114230107. The next prime is 28114230143. The reversal of 28114230139 is 93103241182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28114230139 - 2⁵ = 28114230107 is a prime.

It is not a weakly prime, because it can be changed into another prime (28114230239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14057115069 + 14057115070.

It is an arithmetic number, because the mean of its divisors is an integer number (14057115070).

Almost surely, 2^28114230139 is an apocalyptic number.

28114230139 is a deficient number, since it is larger than the sum of its proper divisors (1).

28114230139 is an equidigital number, since it uses as much as digits as its factorization.

28114230139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 28114230139 in words is "twenty-eight billion, one hundred fourteen million, two hundred thirty thousand, one hundred thirty-nine".