103503879139 has 4 divisors (see below), whose sum is σ = 105048713224. Its totient is φ = 101959045056.

The previous prime is 103503879113. The next prime is 103503879163. The reversal of 103503879139 is 931978305301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931978305301 = 17 ⋅54822253253.

It is a cyclic number.

It is not a de Polignac number, because 103503879139 - 2¹⁷ = 103503748067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103503879092 and 103503879101.

It is not an unprimeable number, because it can be changed into a prime (103503879169) 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, 772416942 + ... + 772417075.

It is an arithmetic number, because the mean of its divisors is an integer number (26262178306).

Almost surely, 2^103503879139 is an apocalyptic number.

103503879139 is a deficient number, since it is larger than the sum of its proper divisors (1544834085).

103503879139 is an equidigital number, since it uses as much as digits as its factorization.

103503879139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544834084.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 103503879139 in words is "one hundred three billion, five hundred three million, eight hundred seventy-nine thousand, one hundred thirty-nine".