142706659 has 2 divisors, whose sum is σ = 142706660. Its totient is φ = 142706658.

The previous prime is 142706657. The next prime is 142706689. The reversal of 142706659 is 956607241.

It is a weak prime.

It is an emirp because it is prime and its reverse (956607241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142706659 - 2¹ = 142706657 is a prime.

Together with 142706657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142706657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71353329 + 71353330.

It is an arithmetic number, because the mean of its divisors is an integer number (71353330).

Almost surely, 2^142706659 is an apocalyptic number.

142706659 is a deficient number, since it is larger than the sum of its proper divisors (1).

142706659 is an equidigital number, since it uses as much as digits as its factorization.

142706659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 142706659 is about 11945.9892432565. The cubic root of 142706659 is about 522.5743386061.

The spelling of 142706659 in words is "one hundred forty-two million, seven hundred six thousand, six hundred fifty-nine".