103493139 has 8 divisors (see below), whose sum is σ = 140329920. Its totient is φ = 67825896.

The previous prime is 103493119. The next prime is 103493147. The reversal of 103493139 is 931394301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103493139 - 2⁷ = 103493011 is a prime.

It is a super-3 number, since 3×103493139³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103493119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292177 + ... + 292530.

It is an arithmetic number, because the mean of its divisors is an integer number (17541240).

Almost surely, 2^103493139 is an apocalyptic number.

103493139 is a deficient number, since it is larger than the sum of its proper divisors (36836781).

103493139 is an equidigital number, since it uses as much as digits as its factorization.

103493139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584769.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 103493139 is about 10173.1577693458. The cubic root of 103493139 is about 469.5017187914.

The spelling of 103493139 in words is "one hundred three million, four hundred ninety-three thousand, one hundred thirty-nine".