131258578276 has 48 divisors (see below), whose sum is σ = 268913498112. Its totient is φ = 54890272800.

The previous prime is 131258578271. The next prime is 131258578279. The reversal of 131258578276 is 672875852131.

It is a happy number.

It is a super-3 number, since 3×131258578276³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (131258578271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284931 + ... + 586261.

It is an arithmetic number, because the mean of its divisors is an integer number (5602364544).

Almost surely, 2^131258578276 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 131258578276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134456749056).

131258578276 is an abundant number, since it is smaller than the sum of its proper divisors (137654919836).

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

131258578276 is a wasteful number, since it uses less digits than its factorization.

131258578276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301720 (or 301718 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 55.

The spelling of 131258578276 in words is "one hundred thirty-one billion, two hundred fifty-eight million, five hundred seventy-eight thousand, two hundred seventy-six".