1340238102829 has 2 divisors, whose sum is σ = 1340238102830. Its totient is φ = 1340238102828.

The previous prime is 1340238102713. The next prime is 1340238102851. The reversal of 1340238102829 is 9282018320431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900549754729 + 439688348100 = 948973^2 + 663090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340238102829 - 2²⁷ = 1340103885101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340238102869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670119051414 + 670119051415.

It is an arithmetic number, because the mean of its divisors is an integer number (670119051415).

Almost surely, 2^{1340238102829} is an apocalyptic number.

It is an amenable number.

1340238102829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340238102829 is an equidigital number, since it uses as much as digits as its factorization.

1340238102829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 1340238102829 in words is "one trillion, three hundred forty billion, two hundred thirty-eight million, one hundred two thousand, eight hundred twenty-nine".