131255499984 has 160 divisors (see below), whose sum is σ = 397338568704. Its totient is φ = 36554595840.

The previous prime is 131255499983. The next prime is 131255500003. The reversal of 131255499984 is 489994552131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131255499983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7258314 + ... + 7276374.

Almost surely, 2^131255499984 is an apocalyptic number.

131255499984 is a gapful number since it is divisible by the number (14) 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 131255499984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198669284352).

131255499984 is an abundant number, since it is smaller than the sum of its proper divisors (266083068720).

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

131255499984 is a wasteful number, since it uses less digits than its factorization.

131255499984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625 (or 18619 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 131255499984 in words is "one hundred thirty-one billion, two hundred fifty-five million, four hundred ninety-nine thousand, nine hundred eighty-four".