13618213139 has 8 divisors (see below), whose sum is σ = 13691148288. Its totient is φ = 13545445320.

The previous prime is 13618213123. The next prime is 13618213187. The reversal of 13618213139 is 93131281631.

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 13618213139 - 2⁴ = 13618213123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13618213109) 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, 123104 + ... + 205890.

It is an arithmetic number, because the mean of its divisors is an integer number (1711393536).

Almost surely, 2^13618213139 is an apocalyptic number.

13618213139 is a deficient number, since it is larger than the sum of its proper divisors (72935149).

13618213139 is an equidigital number, since it uses as much as digits as its factorization.

13618213139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83665.

The product of its digits is 23328, while the sum is 38.

The spelling of 13618213139 in words is "thirteen billion, six hundred eighteen million, two hundred thirteen thousand, one hundred thirty-nine".