131345018 has 8 divisors (see below), whose sum is σ = 225162912. Its totient is φ = 56290716.

The previous prime is 131344987. The next prime is 131345029. The reversal of 131345018 is 810543131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4690880 + ... + 4690907.

It is an arithmetic number, because the mean of its divisors is an integer number (28145364).

Almost surely, 2^131345018 is an apocalyptic number.

131345018 is a deficient number, since it is larger than the sum of its proper divisors (93817894).

131345018 is an equidigital number, since it uses as much as digits as its factorization.

131345018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381796.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 131345018 is about 11460.5854126218. The cubic root of 131345018 is about 508.3207849511.

Adding to 131345018 its reverse (810543131), we get a palindrome (941888149).

The spelling of 131345018 in words is "one hundred thirty-one million, three hundred forty-five thousand, eighteen".