131466859 has 2 divisors, whose sum is σ = 131466860. Its totient is φ = 131466858.

The previous prime is 131466857. The next prime is 131466887. The reversal of 131466859 is 958664131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131466859 - 2¹ = 131466857 is a prime.

It is a super-3 number, since 3×131466859³ (a number of 25 digits) contains 333 as substring.

Together with 131466857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131466851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65733429 + 65733430.

It is an arithmetic number, because the mean of its divisors is an integer number (65733430).

Almost surely, 2^131466859 is an apocalyptic number.

131466859 is a deficient number, since it is larger than the sum of its proper divisors (1).

131466859 is an equidigital number, since it uses as much as digits as its factorization.

131466859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 131466859 is about 11465.8998338552. The cubic root of 131466859 is about 508.4779160770.

The spelling of 131466859 in words is "one hundred thirty-one million, four hundred sixty-six thousand, eight hundred fifty-nine".