265305364605139 has 2 divisors, whose sum is σ = 265305364605140. Its totient is φ = 265305364605138.

The previous prime is 265305364605091. The next prime is 265305364605143. The reversal of 265305364605139 is 931506463503562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265305364605139 - 2²¹ = 265305362507987 is a prime.

It is not a weakly prime, because it can be changed into another prime (265305364005139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132652682302569 + 132652682302570.

It is an arithmetic number, because the mean of its divisors is an integer number (132652682302570).

Almost surely, 2^{265305364605139} is an apocalyptic number.

265305364605139 is a deficient number, since it is larger than the sum of its proper divisors (1).

265305364605139 is an equidigital number, since it uses as much as digits as its factorization.

265305364605139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488000, while the sum is 58.

The spelling of 265305364605139 in words is "two hundred sixty-five trillion, three hundred five billion, three hundred sixty-four million, six hundred five thousand, one hundred thirty-nine".