13139132217 has 16 divisors (see below), whose sum is σ = 17785562112. Its totient is φ = 8626139280.

The previous prime is 13139132213. The next prime is 13139132219. The reversal of 13139132217 is 71223193131.

It is not a de Polignac number, because 13139132217 - 2² = 13139132213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13139132213) 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, 875148 + ... + 890034.

It is an arithmetic number, because the mean of its divisors is an integer number (1111597632).

Almost surely, 2^13139132217 is an apocalyptic number.

It is an amenable number.

13139132217 is a deficient number, since it is larger than the sum of its proper divisors (4646429895).

13139132217 is a wasteful number, since it uses less digits than its factorization.

13139132217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19348.

The product of its digits is 6804, while the sum is 33.

The spelling of 13139132217 in words is "thirteen billion, one hundred thirty-nine million, one hundred thirty-two thousand, two hundred seventeen".