131442415 has 8 divisors (see below), whose sum is σ = 169864128. Its totient is φ = 97065120.

The previous prime is 131442349. The next prime is 131442427. The reversal of 131442415 is 514244131.

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

It is not a de Polignac number, because 131442415 - 2²¹ = 129345263 is a prime.

It is a super-2 number, since 2×131442415² = 34554216922064450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131442415.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1011031 + ... + 1011160.

It is an arithmetic number, because the mean of its divisors is an integer number (21233016).

Almost surely, 2^131442415 is an apocalyptic number.

131442415 is a deficient number, since it is larger than the sum of its proper divisors (38421713).

131442415 is a wasteful number, since it uses less digits than its factorization.

131442415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022209.

The product of its digits is 1920, while the sum is 25.

The square root of 131442415 is about 11464.8338409242. The cubic root of 131442415 is about 508.4463998843.

Adding to 131442415 its reverse (514244131), we get a palindrome (645686546).

The spelling of 131442415 in words is "one hundred thirty-one million, four hundred forty-two thousand, four hundred fifteen".