131247108720 has 480 divisors, whose sum is σ = 574403985792. Its totient is φ = 26062553088.

The previous prime is 131247108689. The next prime is 131247108743. The reversal of 131247108720 is 27801742131.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1054924 + ... + 1172756.

Almost surely, 2^131247108720 is an apocalyptic number.

131247108720 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 131247108720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287201992896).

131247108720 is an abundant number, since it is smaller than the sum of its proper divisors (443156877072).

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

131247108720 is a wasteful number, since it uses less digits than its factorization.

131247108720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117889 (or 117880 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 131247108720 in words is "one hundred thirty-one billion, two hundred forty-seven million, one hundred eight thousand, seven hundred twenty".