131216678841 has 8 divisors (see below), whose sum is σ = 179222781024. Its totient is φ = 85344181280.

The previous prime is 131216678819. The next prime is 131216678843. The reversal of 131216678841 is 148876612131.

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 131216678841 - 2⁵ = 131216678809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131216678843) 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, 533401011 + ... + 533401256.

It is an arithmetic number, because the mean of its divisors is an integer number (22402847628).

Almost surely, 2^131216678841 is an apocalyptic number.

It is an amenable number.

131216678841 is a deficient number, since it is larger than the sum of its proper divisors (48006102183).

131216678841 is a wasteful number, since it uses less digits than its factorization.

131216678841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066802311.

The product of its digits is 387072, while the sum is 48.

The spelling of 131216678841 in words is "one hundred thirty-one billion, two hundred sixteen million, six hundred seventy-eight thousand, eight hundred forty-one".