131049559240 has 64 divisors (see below), whose sum is σ = 299138832000. Its totient is φ = 51660026880.

The previous prime is 131049559163. The next prime is 131049559241. The reversal of 131049559240 is 42955940131.

It is not an unprimeable number, because it can be changed into a prime (131049559241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7997776 + ... + 8014144.

It is an arithmetic number, because the mean of its divisors is an integer number (4674044250).

Almost surely, 2^131049559240 is an apocalyptic number.

131049559240 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 131049559240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149569416000).

131049559240 is an abundant number, since it is smaller than the sum of its proper divisors (168089272760).

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

131049559240 is a wasteful number, since it uses less digits than its factorization.

131049559240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19270 (or 19266 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 131049559240 in words is "one hundred thirty-one billion, forty-nine million, five hundred fifty-nine thousand, two hundred forty".