138760003 has 2 divisors, whose sum is σ = 138760004. Its totient is φ = 138760002.

The previous prime is 138759977. The next prime is 138760007. The reversal of 138760003 is 300067831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138760003 is a prime.

It is not a weakly prime, because it can be changed into another prime (138760007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69380001 + 69380002.

It is an arithmetic number, because the mean of its divisors is an integer number (69380002).

Almost surely, 2^138760003 is an apocalyptic number.

138760003 is a deficient number, since it is larger than the sum of its proper divisors (1).

138760003 is an equidigital number, since it uses as much as digits as its factorization.

138760003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 138760003 is about 11779.6435854401. The cubic root of 138760003 is about 517.7118433793.

The spelling of 138760003 in words is "one hundred thirty-eight million, seven hundred sixty thousand, three".