131526141260540 has 96 divisors (see below), whose sum is σ = 307066449070080. Its totient is φ = 46993901011200.

The previous prime is 131526141260537. The next prime is 131526141260557. The reversal of 131526141260540 is 45062141625131.

It is a super-2 number, since 2×131526141260540² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126273191 + ... + 127310529.

It is an arithmetic number, because the mean of its divisors is an integer number (3198608844480).

Almost surely, 2^{131526141260540} is an apocalyptic number.

131526141260540 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 131526141260540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153533224535040).

131526141260540 is an abundant number, since it is smaller than the sum of its proper divisors (175540307809540).

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

131526141260540 is a wasteful number, since it uses less digits than its factorization.

131526141260540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053123 (or 1053121 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

Adding to 131526141260540 its reverse (45062141625131), we get a palindrome (176588282885671).

The spelling of 131526141260540 in words is "one hundred thirty-one trillion, five hundred twenty-six billion, one hundred forty-one million, two hundred sixty thousand, five hundred forty".