340135458656291 has 2 divisors, whose sum is σ = 340135458656292. Its totient is φ = 340135458656290.

The previous prime is 340135458656009. The next prime is 340135458656299. The reversal of 340135458656291 is 192656854531043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340135458656291 - 2³⁴ = 340118278787107 is a prime.

It is not a weakly prime, because it can be changed into another prime (340135458656299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170067729328145 + 170067729328146.

It is an arithmetic number, because the mean of its divisors is an integer number (170067729328146).

Almost surely, 2^{340135458656291} is an apocalyptic number.

340135458656291 is a deficient number, since it is larger than the sum of its proper divisors (1).

340135458656291 is an equidigital number, since it uses as much as digits as its factorization.

340135458656291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 340135458656291 in words is "three hundred forty trillion, one hundred thirty-five billion, four hundred fifty-eight million, six hundred fifty-six thousand, two hundred ninety-one".