131722186883563 has 4 divisors (see below), whose sum is σ = 131772214302408. Its totient is φ = 131672159464720.

The previous prime is 131722186883533. The next prime is 131722186883591. The reversal of 131722186883563 is 365388681227131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131722186883563 - 2³³ = 131713596948971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131722186883495 and 131722186883504.

It is not an unprimeable number, because it can be changed into a prime (131722186883533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25013705473 + ... + 25013710738.

It is an arithmetic number, because the mean of its divisors is an integer number (32943053575602).

Almost surely, 2^{131722186883563} is an apocalyptic number.

131722186883563 is a deficient number, since it is larger than the sum of its proper divisors (50027418845).

131722186883563 is an equidigital number, since it uses as much as digits as its factorization.

131722186883563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50027418844.

The product of its digits is 69672960, while the sum is 64.

The spelling of 131722186883563 in words is "one hundred thirty-one trillion, seven hundred twenty-two billion, one hundred eighty-six million, eight hundred eighty-three thousand, five hundred sixty-three".