142825169939 has 2 divisors, whose sum is σ = 142825169940. Its totient is φ = 142825169938.

The previous prime is 142825169923. The next prime is 142825169947. The reversal of 142825169939 is 939961528241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142825169939 - 2⁴ = 142825169923 is a prime.

It is not a weakly prime, because it can be changed into another prime (142825169959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71412584969 + 71412584970.

It is an arithmetic number, because the mean of its divisors is an integer number (71412584970).

Almost surely, 2^142825169939 is an apocalyptic number.

142825169939 is a deficient number, since it is larger than the sum of its proper divisors (1).

142825169939 is an equidigital number, since it uses as much as digits as its factorization.

142825169939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 59.

The spelling of 142825169939 in words is "one hundred forty-two billion, eight hundred twenty-five million, one hundred sixty-nine thousand, nine hundred thirty-nine".