139000867 has 2 divisors, whose sum is σ = 139000868. Its totient is φ = 139000866.

The previous prime is 139000859. The next prime is 139000871. The reversal of 139000867 is 768000931.

It is a strong prime.

It is an emirp because it is prime and its reverse (768000931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139000867 - 2³ = 139000859 is a prime.

It is not a weakly prime, because it can be changed into another prime (139000837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69500433 + 69500434.

It is an arithmetic number, because the mean of its divisors is an integer number (69500434).

Almost surely, 2^139000867 is an apocalyptic number.

139000867 is a deficient number, since it is larger than the sum of its proper divisors (1).

139000867 is an equidigital number, since it uses as much as digits as its factorization.

139000867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 139000867 is about 11789.8628914844. The cubic root of 139000867 is about 518.0112237497.

The spelling of 139000867 in words is "one hundred thirty-nine million, eight hundred sixty-seven", and thus it is an aban number.