13132887718 has 4 divisors (see below), whose sum is σ = 19699331580. Its totient is φ = 6566443858.

The previous prime is 13132887697. The next prime is 13132887739. The reversal of 13132887718 is 81778823131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81778823131 = 37 ⋅2210238463.

It is an interprime number because it is at equal distance from previous prime (13132887697) and next prime (13132887739).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283221928 + ... + 3283221931.

It is an arithmetic number, because the mean of its divisors is an integer number (4924832895).

Almost surely, 2^13132887718 is an apocalyptic number.

13132887718 is a deficient number, since it is larger than the sum of its proper divisors (6566443862).

13132887718 is an equidigital number, since it uses as much as digits as its factorization.

13132887718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566443861.

The product of its digits is 451584, while the sum is 49.

The spelling of 13132887718 in words is "thirteen billion, one hundred thirty-two million, eight hundred eighty-seven thousand, seven hundred eighteen".