103500039 has 4 divisors (see below), whose sum is σ = 138000056. Its totient is φ = 69000024.

The previous prime is 103500017. The next prime is 103500071. The reversal of 103500039 is 930005301.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 103500039 - 2¹⁹ = 102975751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103499988 and 103500024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103500139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17250004 + ... + 17250009.

It is an arithmetic number, because the mean of its divisors is an integer number (34500014).

Almost surely, 2^103500039 is an apocalyptic number.

103500039 is a deficient number, since it is larger than the sum of its proper divisors (34500017).

103500039 is an equidigital number, since it uses as much as digits as its factorization.

103500039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500016.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 103500039 is about 10173.4968914332. The cubic root of 103500039 is about 469.5121526227.

The spelling of 103500039 in words is "one hundred three million, five hundred thousand, thirty-nine".