139112803 has 4 divisors (see below), whose sum is σ = 139207720. Its totient is φ = 139017888.

The previous prime is 139112801. The next prime is 139112849. The reversal of 139112803 is 308211931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308211931 = 853 ⋅361327.

It is a cyclic number.

It is not a de Polignac number, because 139112803 - 2¹ = 139112801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139112801) 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, 45225 + ... + 48202.

It is an arithmetic number, because the mean of its divisors is an integer number (34801930).

Almost surely, 2^139112803 is an apocalyptic number.

139112803 is a deficient number, since it is larger than the sum of its proper divisors (94917).

139112803 is an equidigital number, since it uses as much as digits as its factorization.

139112803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94916.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 139112803 is about 11794.6090651619. The cubic root of 139112803 is about 518.1502361839.

The spelling of 139112803 in words is "one hundred thirty-nine million, one hundred twelve thousand, eight hundred three".