139003349 has 8 divisors (see below), whose sum is σ = 143666688. Its totient is φ = 134351280.

The previous prime is 139003343. The next prime is 139003357. The reversal of 139003349 is 943300931.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139003349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139003343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27659 + ... + 32295.

It is an arithmetic number, because the mean of its divisors is an integer number (17958336).

Almost surely, 2^139003349 is an apocalyptic number.

It is an amenable number.

139003349 is a deficient number, since it is larger than the sum of its proper divisors (4663339).

139003349 is an equidigital number, since it uses as much as digits as its factorization.

139003349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 139003349 is about 11789.9681509324. The cubic root of 139003349 is about 518.0143069348.

The spelling of 139003349 in words is "one hundred thirty-nine million, three thousand, three hundred forty-nine".