131418859 has 8 divisors (see below), whose sum is σ = 154394352. Its totient is φ = 110281440.

The previous prime is 131418841. The next prime is 131418869. The reversal of 131418859 is 958814131.

It is a happy number.

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 131418859 - 2⁷ = 131418731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131418869) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 459364 + ... + 459649.

It is an arithmetic number, because the mean of its divisors is an integer number (19299294).

Almost surely, 2^131418859 is an apocalyptic number.

131418859 is a deficient number, since it is larger than the sum of its proper divisors (22975493).

131418859 is a wasteful number, since it uses less digits than its factorization.

131418859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919037.

The product of its digits is 34560, while the sum is 40.

The square root of 131418859 is about 11463.8064795250. The cubic root of 131418859 is about 508.4160249125.

The spelling of 131418859 in words is "one hundred thirty-one million, four hundred eighteen thousand, eight hundred fifty-nine".