103439137 has 2 divisors, whose sum is σ = 103439138. Its totient is φ = 103439136.

The previous prime is 103439131. The next prime is 103439197. The reversal of 103439137 is 731934301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71978256 + 31460881 = 8484^2 + 5609^2 .

It is a cyclic number.

It is not a de Polignac number, because 103439137 - 2³ = 103439129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 103439099 and 103439108.

It is not a weakly prime, because it can be changed into another prime (103439131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51719568 + 51719569.

It is an arithmetic number, because the mean of its divisors is an integer number (51719569).

Almost surely, 2^103439137 is an apocalyptic number.

It is an amenable number.

103439137 is a deficient number, since it is larger than the sum of its proper divisors (1).

103439137 is an equidigital number, since it uses as much as digits as its factorization.

103439137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 103439137 is about 10170.5032815491. The cubic root of 103439137 is about 469.4200436736.

The spelling of 103439137 in words is "one hundred three million, four hundred thirty-nine thousand, one hundred thirty-seven".