131268418 has 8 divisors (see below), whose sum is σ = 197599248. Its totient is φ = 65402004.

The previous prime is 131268409. The next prime is 131268427. The reversal of 131268418 is 814862131.

It is an interprime number because it is at equal distance from previous prime (131268409) and next prime (131268427).

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

It is an unprimeable number.

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, 115396 + ... + 116527.

It is an arithmetic number, because the mean of its divisors is an integer number (24699906).

Almost surely, 2^131268418 is an apocalyptic number.

131268418 is a deficient number, since it is larger than the sum of its proper divisors (66330830).

131268418 is a wasteful number, since it uses less digits than its factorization.

131268418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232208.

The product of its digits is 9216, while the sum is 34.

The square root of 131268418 is about 11457.2430366123. The cubic root of 131268418 is about 508.2219487090.

The spelling of 131268418 in words is "one hundred thirty-one million, two hundred sixty-eight thousand, four hundred eighteen".