131143419 has 12 divisors (see below), whose sum is σ = 206650392. Its totient is φ = 79480800.

The previous prime is 131143399. The next prime is 131143427. The reversal of 131143419 is 914341131.

131143419 is a `hidden beast` number, since 1 + 311 + 4 + 341 + 9 = 666.

It is not a de Polignac number, because 131143419 - 2⁷ = 131143291 is a prime.

It is a super-2 number, since 2×131143419² = 34397192694019122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131143392 and 131143401.

It is not an unprimeable number, because it can be changed into a prime (131143469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662242 + ... + 662439.

It is an arithmetic number, because the mean of its divisors is an integer number (17220866).

Almost surely, 2^131143419 is an apocalyptic number.

131143419 is a deficient number, since it is larger than the sum of its proper divisors (75506973).

131143419 is a wasteful number, since it uses less digits than its factorization.

131143419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324698 (or 1324695 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 131143419 is about 11451.7867164910. The cubic root of 131143419 is about 508.0605811047.

The spelling of 131143419 in words is "one hundred thirty-one million, one hundred forty-three thousand, four hundred nineteen".