131365720163 has 8 divisors (see below), whose sum is σ = 131728842000. Its totient is φ = 131002912768.

The previous prime is 131365720141. The next prime is 131365720223. The reversal of 131365720163 is 361027563131.

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 131365720163 - 2⁶ = 131365720099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131365720363) 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, 770720 + ... + 925602.

It is an arithmetic number, because the mean of its divisors is an integer number (16466105250).

Almost surely, 2^131365720163 is an apocalyptic number.

131365720163 is a deficient number, since it is larger than the sum of its proper divisors (363121837).

131365720163 is a wasteful number, since it uses less digits than its factorization.

131365720163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157221.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 131365720163 in words is "one hundred thirty-one billion, three hundred sixty-five million, seven hundred twenty thousand, one hundred sixty-three".