139066007 has 2 divisors, whose sum is σ = 139066008. Its totient is φ = 139066006.

The previous prime is 139065989. The next prime is 139066019. The reversal of 139066007 is 700660931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139066007 - 2²⁰ = 138017431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139060007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69533003 + 69533004.

It is an arithmetic number, because the mean of its divisors is an integer number (69533004).

Almost surely, 2^139066007 is an apocalyptic number.

139066007 is a deficient number, since it is larger than the sum of its proper divisors (1).

139066007 is an equidigital number, since it uses as much as digits as its factorization.

139066007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 139066007 is about 11792.6251106359. The cubic root of 139066007 is about 518.0921296754.

The spelling of 139066007 in words is "one hundred thirty-nine million, sixty-six thousand, seven".