139932007 has 2 divisors, whose sum is σ = 139932008. Its totient is φ = 139932006.

The previous prime is 139931963. The next prime is 139932073. The reversal of 139932007 is 700239931.

139932007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139932007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139932407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69966003 + 69966004.

It is an arithmetic number, because the mean of its divisors is an integer number (69966004).

Almost surely, 2^139932007 is an apocalyptic number.

139932007 is a deficient number, since it is larger than the sum of its proper divisors (1).

139932007 is an equidigital number, since it uses as much as digits as its factorization.

139932007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 139932007 is about 11829.2859885963. The cubic root of 139932007 is about 519.1653362751.

The spelling of 139932007 in words is "one hundred thirty-nine million, nine hundred thirty-two thousand, seven".