1234340131439 has 2 divisors, whose sum is σ = 1234340131440. Its totient is φ = 1234340131438.

The previous prime is 1234340131433. The next prime is 1234340131447. The reversal of 1234340131439 is 9341310434321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234340131439 - 2³² = 1230045164143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234340131433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617170065719 + 617170065720.

It is an arithmetic number, because the mean of its divisors is an integer number (617170065720).

Almost surely, 2^{1234340131439} is an apocalyptic number.

1234340131439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234340131439 is an equidigital number, since it uses as much as digits as its factorization.

1234340131439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 1234340131439 in words is "one trillion, two hundred thirty-four billion, three hundred forty million, one hundred thirty-one thousand, four hundred thirty-nine".