131440440471 has 8 divisors (see below), whose sum is σ = 176591737344. Its totient is φ = 86958051960.

The previous prime is 131440440463. The next prime is 131440440491. The reversal of 131440440471 is 174044044131.

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

It is not a de Polignac number, because 131440440471 - 2³ = 131440440463 is a prime.

It is a super-3 number, since 3×131440440471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131440440431) 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 7 ways as a sum of consecutive naturals, for example, 167226631 + ... + 167227416.

It is an arithmetic number, because the mean of its divisors is an integer number (22073967168).

Almost surely, 2^131440440471 is an apocalyptic number.

131440440471 is a deficient number, since it is larger than the sum of its proper divisors (45151296873).

131440440471 is a wasteful number, since it uses less digits than its factorization.

131440440471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334454181.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 131440440471 in words is "one hundred thirty-one billion, four hundred forty million, four hundred forty thousand, four hundred seventy-one".