13380139 has 4 divisors (see below), whose sum is σ = 14167224. Its totient is φ = 12593056.

The previous prime is 13380137. The next prime is 13380149. The reversal of 13380139 is 93108331.

13380139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13380139 - 2¹ = 13380137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13380131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393517 + ... + 393550.

It is an arithmetic number, because the mean of its divisors is an integer number (3541806).

Almost surely, 2^13380139 is an apocalyptic number.

13380139 is a deficient number, since it is larger than the sum of its proper divisors (787085).

13380139 is an equidigital number, since it uses as much as digits as its factorization.

13380139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787084.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 13380139 is about 3657.8872317227. The cubic root of 13380139 is about 237.4033675210.

The spelling of 13380139 in words is "thirteen million, three hundred eighty thousand, one hundred thirty-nine".