139988303 has 16 divisors (see below), whose sum is σ = 173623296. Its totient is φ = 109905120.

The previous prime is 139988287. The next prime is 139988339. The reversal of 139988303 is 303889931.

It is not a de Polignac number, because 139988303 - 2⁴ = 139988287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139988383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6050 + ... + 17792.

It is an arithmetic number, because the mean of its divisors is an integer number (10851456).

Almost surely, 2^139988303 is an apocalyptic number.

139988303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139988303 is a deficient number, since it is larger than the sum of its proper divisors (33634993).

139988303 is a wasteful number, since it uses less digits than its factorization.

139988303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 139988303 is about 11831.6652674085. The cubic root of 139988303 is about 519.2349486863.

The spelling of 139988303 in words is "one hundred thirty-nine million, nine hundred eighty-eight thousand, three hundred three".