4278136039 has 2 divisors, whose sum is σ = 4278136040. Its totient is φ = 4278136038.

The previous prime is 4278135971. The next prime is 4278136069. The reversal of 4278136039 is 9306318724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4278136039 - 2²⁹ = 3741265127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4278135986 and 4278136004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278136069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139068019 + 2139068020.

It is an arithmetic number, because the mean of its divisors is an integer number (2139068020).

Almost surely, 2^4278136039 is an apocalyptic number.

4278136039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278136039 is an equidigital number, since it uses as much as digits as its factorization.

4278136039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 4278136039 is about 65407.4616462067. The cubic root of 4278136039 is about 1623.3725451791.

The spelling of 4278136039 in words is "four billion, two hundred seventy-eight million, one hundred thirty-six thousand, thirty-nine".