131142530005 has 8 divisors (see below), whose sum is σ = 157386554424. Its totient is φ = 104903678400.

The previous prime is 131142529981. The next prime is 131142530053. The reversal of 131142530005 is 500035241131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61552617604 + 69589912401 = 248098^2 + 263799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131142530005 is a prime.

It is a super-2 number, since 2×131142530005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237206 + ... + 1339015.

It is an arithmetic number, because the mean of its divisors is an integer number (19673319303).

Almost surely, 2^131142530005 is an apocalyptic number.

It is an amenable number.

131142530005 is a deficient number, since it is larger than the sum of its proper divisors (26244024419).

131142530005 is a wasteful number, since it uses less digits than its factorization.

131142530005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586407.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 131142530005 its reverse (500035241131), we get a palindrome (631177771136).

The spelling of 131142530005 in words is "one hundred thirty-one billion, one hundred forty-two million, five hundred thirty thousand, five".