131488777763 has 8 divisors (see below), whose sum is σ = 156806492928. Its totient is φ = 107804463624.

The previous prime is 131488777699. The next prime is 131488777843. The reversal of 131488777763 is 367777884131.

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 131488777763 - 2⁶ = 131488777699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131488777696 and 131488777705.

It is not an unprimeable number, because it can be changed into a prime (131488777363) 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, 408350081 + ... + 408350402.

It is an arithmetic number, because the mean of its divisors is an integer number (19600811616).

Almost surely, 2^131488777763 is an apocalyptic number.

131488777763 is a deficient number, since it is larger than the sum of its proper divisors (25317715165).

131488777763 is an equidigital number, since it uses as much as digits as its factorization.

131488777763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816700513.

The product of its digits is 33191424, while the sum is 62.

The spelling of 131488777763 in words is "one hundred thirty-one billion, four hundred eighty-eight million, seven hundred seventy-seven thousand, seven hundred sixty-three".