103813039 has 6 divisors (see below), whose sum is σ = 114108680. Its totient is φ = 94375380.

The previous prime is 103813013. The next prime is 103813043. The reversal of 103813039 is 930318301.

It is not a de Polignac number, because 103813039 - 2²⁵ = 70258607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103812998 and 103813016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103813139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 428859 + ... + 429100.

Almost surely, 2^103813039 is an apocalyptic number.

103813039 is a deficient number, since it is larger than the sum of its proper divisors (10295641).

103813039 is an equidigital number, since it uses as much as digits as its factorization.

103813039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857981 (or 857970 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 103813039 is about 10188.8683866267. The cubic root of 103813039 is about 469.9849685852.

The spelling of 103813039 in words is "one hundred three million, eight hundred thirteen thousand, thirty-nine".