131755523184 has 160 divisors (see below), whose sum is σ = 394870440960. Its totient is φ = 41983425792.

The previous prime is 131755523183. The next prime is 131755523191. The reversal of 131755523184 is 481325557131.

131755523184 is a `hidden beast` number, since 1 + 3 + 17 + 5 + 552 + 3 + 1 + 84 = 666.

It is a super-2 number, since 2×131755523184² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131755523183) 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, 22780357 + ... + 22786139.

It is an arithmetic number, because the mean of its divisors is an integer number (2467940256).

Almost surely, 2^131755523184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131755523184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197435220480).

131755523184 is an abundant number, since it is smaller than the sum of its proper divisors (263114917776).

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

131755523184 is a wasteful number, since it uses less digits than its factorization.

131755523184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116 (or 8104 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 131755523184 in words is "one hundred thirty-one billion, seven hundred fifty-five million, five hundred twenty-three thousand, one hundred eighty-four".