131115345514240 has 72 divisors (see below), whose sum is σ = 314366848252128. Its totient is φ = 52395268485120.

The previous prime is 131115345514199. The next prime is 131115345514271. The reversal of 131115345514240 is 42415543511131.

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

It is a junction number, because it is equal to n+sod(n) for n = 131115345514193 and 131115345514202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48357267 + ... + 50996626.

It is an arithmetic number, because the mean of its divisors is an integer number (4366206225724).

Almost surely, 2^{131115345514240} is an apocalyptic number.

131115345514240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131115345514240 is an abundant number, since it is smaller than the sum of its proper divisors (183251502737888).

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

131115345514240 is an equidigital number, since it uses as much as digits as its factorization.

131115345514240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99354945 (or 99354931 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 131115345514240 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred forty-five million, five hundred fourteen thousand, two hundred forty".