13149131047887 has 8 divisors (see below), whose sum is σ = 17532199404720. Its totient is φ = 8766075028160.

The previous prime is 13149131047879. The next prime is 13149131047901. The reversal of 13149131047887 is 78874013194131.

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 13149131047887 - 2³ = 13149131047879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13149131027887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216414 + ... + 5132747.

It is an arithmetic number, because the mean of its divisors is an integer number (2191524925590).

Almost surely, 2^{13149131047887} is an apocalyptic number.

13149131047887 is a deficient number, since it is larger than the sum of its proper divisors (4383068356833).

13149131047887 is an equidigital number, since it uses as much as digits as its factorization.

13149131047887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168553.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 13149131047887 in words is "thirteen trillion, one hundred forty-nine billion, one hundred thirty-one million, forty-seven thousand, eight hundred eighty-seven".