240312612366139 has 2 divisors, whose sum is σ = 240312612366140. Its totient is φ = 240312612366138.

The previous prime is 240312612366133. The next prime is 240312612366173. The reversal of 240312612366139 is 931663216213042.

240312612366139 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 240312612366139 - 2⁵ = 240312612366107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240312612366092 and 240312612366101.

It is not a weakly prime, because it can be changed into another prime (240312612366133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156306183069 + 120156306183070.

It is an arithmetic number, because the mean of its divisors is an integer number (120156306183070).

Almost surely, 2^{240312612366139} is an apocalyptic number.

240312612366139 is a deficient number, since it is larger than the sum of its proper divisors (1).

240312612366139 is an equidigital number, since it uses as much as digits as its factorization.

240312612366139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 240312612366139 in words is "two hundred forty trillion, three hundred twelve billion, six hundred twelve million, three hundred sixty-six thousand, one hundred thirty-nine".