138760007 has 2 divisors, whose sum is σ = 138760008. Its totient is φ = 138760006.

The previous prime is 138760003. The next prime is 138760049. The reversal of 138760007 is 700067831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138760007 - 2² = 138760003 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138760003) 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, 69380003 + 69380004.

It is an arithmetic number, because the mean of its divisors is an integer number (69380004).

Almost surely, 2^138760007 is an apocalyptic number.

138760007 is a deficient number, since it is larger than the sum of its proper divisors (1).

138760007 is an equidigital number, since it uses as much as digits as its factorization.

138760007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 138760007 is about 11779.6437552245. The cubic root of 138760007 is about 517.7118483539.

The spelling of 138760007 in words is "one hundred thirty-eight million, seven hundred sixty thousand, seven".