131342415146 has 4 divisors (see below), whose sum is σ = 197013622722. Its totient is φ = 65671207572.

The previous prime is 131342415077. The next prime is 131342415151. The reversal of 131342415146 is 641514243131.

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

It can be written as a sum of positive squares in only one way, i.e., 97940832025 + 33401583121 = 312955^2 + 182761^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32835603785 + ... + 32835603788.

Almost surely, 2^131342415146 is an apocalyptic number.

131342415146 is a deficient number, since it is larger than the sum of its proper divisors (65671207576).

131342415146 is an equidigital number, since it uses as much as digits as its factorization.

131342415146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65671207575.

The product of its digits is 34560, while the sum is 35.

Adding to 131342415146 its reverse (641514243131), we get a palindrome (772856658277).

The spelling of 131342415146 in words is "one hundred thirty-one billion, three hundred forty-two million, four hundred fifteen thousand, one hundred forty-six".