103521383139 has 4 divisors (see below), whose sum is σ = 138028510856. Its totient is φ = 69014255424.

The previous prime is 103521383129. The next prime is 103521383149. The reversal of 103521383139 is 931383125301.

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

It is an interprime number because it is at equal distance from previous prime (103521383129) and next prime (103521383149).

It is not a de Polignac number, because 103521383139 - 2⁷ = 103521383011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103521383097 and 103521383106.

It is not an unprimeable number, because it can be changed into a prime (103521383129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17253563854 + ... + 17253563859.

It is an arithmetic number, because the mean of its divisors is an integer number (34507127714).

Almost surely, 2^103521383139 is an apocalyptic number.

103521383139 is a deficient number, since it is larger than the sum of its proper divisors (34507127717).

103521383139 is an equidigital number, since it uses as much as digits as its factorization.

103521383139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34507127716.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 103521383139 in words is "one hundred three billion, five hundred twenty-one million, three hundred eighty-three thousand, one hundred thirty-nine".