131418565 has 8 divisors (see below), whose sum is σ = 157829760. Its totient is φ = 105049872.

The previous prime is 131418541. The next prime is 131418569. The reversal of 131418565 is 565814131.

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

It is a cyclic number.

It is not a de Polignac number, because 131418565 - 2⁷ = 131418437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131418565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131418569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3369 + ... + 16558.

It is an arithmetic number, because the mean of its divisors is an integer number (19728720).

Almost surely, 2^131418565 is an apocalyptic number.

It is an amenable number.

131418565 is a deficient number, since it is larger than the sum of its proper divisors (26411195).

131418565 is a wasteful number, since it uses less digits than its factorization.

131418565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251.

The product of its digits is 14400, while the sum is 34.

The square root of 131418565 is about 11463.7936565519. The cubic root of 131418565 is about 508.4156457827.

The spelling of 131418565 in words is "one hundred thirty-one million, four hundred eighteen thousand, five hundred sixty-five".