265140300315391 has 2 divisors, whose sum is σ = 265140300315392. Its totient is φ = 265140300315390.

The previous prime is 265140300315379. The next prime is 265140300315421. The reversal of 265140300315391 is 193513003041562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265140300315391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265140300315361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570150157695 + 132570150157696.

It is an arithmetic number, because the mean of its divisors is an integer number (132570150157696).

Almost surely, 2^{265140300315391} is an apocalyptic number.

265140300315391 is a deficient number, since it is larger than the sum of its proper divisors (1).

265140300315391 is an equidigital number, since it uses as much as digits as its factorization.

265140300315391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 265140300315391 in words is "two hundred sixty-five trillion, one hundred forty billion, three hundred million, three hundred fifteen thousand, three hundred ninety-one".