131718026560 has 168 divisors, whose sum is σ = 335113701120. Its totient is φ = 49219365888.

The previous prime is 131718026533. The next prime is 131718026567. The reversal of 131718026560 is 65620817131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131718026567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13603801 + ... + 13613479.

Almost surely, 2^131718026560 is an apocalyptic number.

131718026560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131718026560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167556850560).

131718026560 is an abundant number, since it is smaller than the sum of its proper divisors (203395674560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131718026560 is an equidigital number, since it uses as much as digits as its factorization.

131718026560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 131718026560 in words is "one hundred thirty-one billion, seven hundred eighteen million, twenty-six thousand, five hundred sixty".