142769699 has 2 divisors, whose sum is σ = 142769700. Its totient is φ = 142769698.

The previous prime is 142769681. The next prime is 142769701. The reversal of 142769699 is 996967241.

It is a strong prime.

It is an emirp because it is prime and its reverse (996967241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142769699 - 2¹² = 142765603 is a prime.

Together with 142769701, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142769699.

It is not a weakly prime, because it can be changed into another prime (142769609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71384849 + 71384850.

It is an arithmetic number, because the mean of its divisors is an integer number (71384850).

Almost surely, 2^142769699 is an apocalyptic number.

142769699 is a deficient number, since it is larger than the sum of its proper divisors (1).

142769699 is an equidigital number, since it uses as much as digits as its factorization.

142769699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 53.

The square root of 142769699 is about 11948.6274944029. The cubic root of 142769699 is about 522.6512755360.

The spelling of 142769699 in words is "one hundred forty-two million, seven hundred sixty-nine thousand, six hundred ninety-nine".