1235405342359 has 2 divisors, whose sum is σ = 1235405342360. Its totient is φ = 1235405342358.

The previous prime is 1235405342321. The next prime is 1235405342383. The reversal of 1235405342359 is 9532435045321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1235405342359 - 2¹³ = 1235405334167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235405342309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617702671179 + 617702671180.

It is an arithmetic number, because the mean of its divisors is an integer number (617702671180).

Almost surely, 2^{1235405342359} is an apocalyptic number.

1235405342359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235405342359 is an equidigital number, since it uses as much as digits as its factorization.

1235405342359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 1235405342359 in words is "one trillion, two hundred thirty-five billion, four hundred five million, three hundred forty-two thousand, three hundred fifty-nine".