139986003 has 4 divisors (see below), whose sum is σ = 186648008. Its totient is φ = 93324000.

The previous prime is 139985971. The next prime is 139986029. The reversal of 139986003 is 300689931.

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

It is not a de Polignac number, because 139986003 - 2⁵ = 139985971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139986043) 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, 23330998 + ... + 23331003.

It is an arithmetic number, because the mean of its divisors is an integer number (46662002).

Almost surely, 2^139986003 is an apocalyptic number.

139986003 is a deficient number, since it is larger than the sum of its proper divisors (46662005).

139986003 is an equidigital number, since it uses as much as digits as its factorization.

139986003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46662004.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 139986003 is about 11831.5680702095. The cubic root of 139986003 is about 519.2321050036.

The spelling of 139986003 in words is "one hundred thirty-nine million, nine hundred eighty-six thousand, three".