142728083 has 2 divisors, whose sum is σ = 142728084. Its totient is φ = 142728082.

The previous prime is 142728059. The next prime is 142728097. The reversal of 142728083 is 380827241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142728083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (142728013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71364041 + 71364042.

It is an arithmetic number, because the mean of its divisors is an integer number (71364042).

Almost surely, 2^142728083 is an apocalyptic number.

142728083 is a deficient number, since it is larger than the sum of its proper divisors (1).

142728083 is an equidigital number, since it uses as much as digits as its factorization.

142728083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 142728083 is about 11946.8859122367. The cubic root of 142728083 is about 522.6004879872.

The spelling of 142728083 in words is "one hundred forty-two million, seven hundred twenty-eight thousand, eighty-three".