142007279 has 2 divisors, whose sum is σ = 142007280. Its totient is φ = 142007278.

The previous prime is 142007269. The next prime is 142007291. The reversal of 142007279 is 972700241.

It is a weak prime.

It is an emirp because it is prime and its reverse (972700241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142007279 - 2⁸ = 142007023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142007269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71003639 + 71003640.

It is an arithmetic number, because the mean of its divisors is an integer number (71003640).

Almost surely, 2^142007279 is an apocalyptic number.

142007279 is a deficient number, since it is larger than the sum of its proper divisors (1).

142007279 is an equidigital number, since it uses as much as digits as its factorization.

142007279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 142007279 is about 11916.6807039544. The cubic root of 142007279 is about 521.7192588640.

The spelling of 142007279 in words is "one hundred forty-two million, seven thousand, two hundred seventy-nine".