139282867 has 2 divisors, whose sum is σ = 139282868. Its totient is φ = 139282866.

The previous prime is 139282859. The next prime is 139282873. The reversal of 139282867 is 768282931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139282867 - 2³ = 139282859 is a prime.

It is not a weakly prime, because it can be changed into another prime (139282807) 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, 69641433 + 69641434.

It is an arithmetic number, because the mean of its divisors is an integer number (69641434).

Almost surely, 2^139282867 is an apocalyptic number.

139282867 is a deficient number, since it is larger than the sum of its proper divisors (1).

139282867 is an equidigital number, since it uses as much as digits as its factorization.

139282867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 139282867 is about 11801.8162585256. The cubic root of 139282867 is about 518.3612946826.

The spelling of 139282867 in words is "one hundred thirty-nine million, two hundred eighty-two thousand, eight hundred sixty-seven".