1234142339 has 2 divisors, whose sum is σ = 1234142340. Its totient is φ = 1234142338.

The previous prime is 1234142323. The next prime is 1234142347. The reversal of 1234142339 is 9332414321.

It is a strong prime.

It is an emirp because it is prime and its reverse (9332414321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1234142339 - 2⁴ = 1234142323 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234142389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617071169 + 617071170.

It is an arithmetic number, because the mean of its divisors is an integer number (617071170).

Almost surely, 2^1234142339 is an apocalyptic number.

1234142339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234142339 is an equidigital number, since it uses as much as digits as its factorization.

1234142339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 1234142339 is about 35130.3620675905. The cubic root of 1234142339 is about 1072.6427059833.

The spelling of 1234142339 in words is "one billion, two hundred thirty-four million, one hundred forty-two thousand, three hundred thirty-nine".