131782143401471 has 4 divisors (see below), whose sum is σ = 131783224138944. Its totient is φ = 131781062664000.

The previous prime is 131782143401459. The next prime is 131782143401497. The reversal of 131782143401471 is 174104341287131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131782143401471 - 2⁴² = 127384096890367 is a prime.

It is a super-3 number, since 3×131782143401471³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131782145401471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540185810 + ... + 540429711.

It is an arithmetic number, because the mean of its divisors is an integer number (32945806034736).

Almost surely, 2^{131782143401471} is an apocalyptic number.

131782143401471 is a deficient number, since it is larger than the sum of its proper divisors (1080737473).

131782143401471 is a wasteful number, since it uses less digits than its factorization.

131782143401471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080737472.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 131782143401471 in words is "one hundred thirty-one trillion, seven hundred eighty-two billion, one hundred forty-three million, four hundred one thousand, four hundred seventy-one".