139056303 has 8 divisors (see below), whose sum is σ = 185493168. Its totient is φ = 92661824.

The previous prime is 139056301. The next prime is 139056317. The reversal of 139056303 is 303650931.

139056303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 139056303 - 2¹ = 139056301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139056301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 16787.

It is an arithmetic number, because the mean of its divisors is an integer number (23186646).

Almost surely, 2^139056303 is an apocalyptic number.

139056303 is a deficient number, since it is larger than the sum of its proper divisors (46436865).

139056303 is a wasteful number, since it uses less digits than its factorization.

139056303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21193.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 139056303 is about 11792.2136598690. The cubic root of 139056303 is about 518.0800786044.

The spelling of 139056303 in words is "one hundred thirty-nine million, fifty-six thousand, three hundred three".