131443514 has 8 divisors (see below), whose sum is σ = 197213940. Its totient is φ = 65705536.

The previous prime is 131443513. The next prime is 131443517. The reversal of 131443514 is 415344131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126000625 + 5442889 = 11225^2 + 2333^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131443513) 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 3 ways as a sum of consecutive naturals, for example, 11522 + ... + 19890.

Almost surely, 2^131443514 is an apocalyptic number.

131443514 is a deficient number, since it is larger than the sum of its proper divisors (65770426).

131443514 is an equidigital number, since it uses as much as digits as its factorization.

131443514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16224.

The product of its digits is 2880, while the sum is 26.

The square root of 131443514 is about 11464.8817699966. The cubic root of 131443514 is about 508.4478169333.

Adding to 131443514 its reverse (415344131), we get a palindrome (546787645).

The spelling of 131443514 in words is "one hundred thirty-one million, four hundred forty-three thousand, five hundred fourteen".