1342145239 has 2 divisors, whose sum is σ = 1342145240. Its totient is φ = 1342145238.

The previous prime is 1342145177. The next prime is 1342145249. The reversal of 1342145239 is 9325412431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1342145239 - 2²⁵ = 1308590807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342145249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671072619 + 671072620.

It is an arithmetic number, because the mean of its divisors is an integer number (671072620).

Almost surely, 2^1342145239 is an apocalyptic number.

1342145239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342145239 is an equidigital number, since it uses as much as digits as its factorization.

1342145239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 1342145239 is about 36635.3004491570. The cubic root of 1342145239 is about 1103.0617835773.

The spelling of 1342145239 in words is "one billion, three hundred forty-two million, one hundred forty-five thousand, two hundred thirty-nine".