103138349 has 2 divisors, whose sum is σ = 103138350. Its totient is φ = 103138348.

The previous prime is 103138339. The next prime is 103138361. The reversal of 103138349 is 943831301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70728100 + 32410249 = 8410^2 + 5693^2 .

It is a cyclic number.

It is not a de Polignac number, because 103138349 - 2⁸ = 103138093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103138309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51569174 + 51569175.

It is an arithmetic number, because the mean of its divisors is an integer number (51569175).

Almost surely, 2^103138349 is an apocalyptic number.

It is an amenable number.

103138349 is a deficient number, since it is larger than the sum of its proper divisors (1).

103138349 is an equidigital number, since it uses as much as digits as its factorization.

103138349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 103138349 is about 10155.7052438519. The cubic root of 103138349 is about 468.9645971128.

The spelling of 103138349 in words is "one hundred three million, one hundred thirty-eight thousand, three hundred forty-nine".