139784303 has 12 divisors (see below), whose sum is σ = 143912304. Its totient is φ = 135744000.

The previous prime is 139784297. The next prime is 139784327. The reversal of 139784303 is 303487931.

139784303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139784303 - 2¹⁰ = 139783279 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 (139784383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724175 + ... + 724367.

It is an arithmetic number, because the mean of its divisors is an integer number (11992692).

Almost surely, 2^139784303 is an apocalyptic number.

139784303 is a deficient number, since it is larger than the sum of its proper divisors (4128001).

139784303 is an equidigital number, since it uses as much as digits as its factorization.

139784303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 139784303 is about 11823.0411908273. The cubic root of 139784303 is about 518.9826051642.

It can be divided in two parts, 13978 and 4303, that added together give a palindrome (18281).

The spelling of 139784303 in words is "one hundred thirty-nine million, seven hundred eighty-four thousand, three hundred three".