138550103 has 2 divisors, whose sum is σ = 138550104. Its totient is φ = 138550102.

The previous prime is 138550019. The next prime is 138550133. The reversal of 138550103 is 301055831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138550103 - 2¹⁴ = 138533719 is a prime.

It is a super-2 number, since 2×138550103² = 38392262082621218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138550133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69275051 + 69275052.

It is an arithmetic number, because the mean of its divisors is an integer number (69275052).

Almost surely, 2^138550103 is an apocalyptic number.

138550103 is a deficient number, since it is larger than the sum of its proper divisors (1).

138550103 is an equidigital number, since it uses as much as digits as its factorization.

138550103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 138550103 is about 11770.7307759544. The cubic root of 138550103 is about 517.4506668804.

The spelling of 138550103 in words is "one hundred thirty-eight million, five hundred fifty thousand, one hundred three".