131459473 has 2 divisors, whose sum is σ = 131459474. Its totient is φ = 131459472.

The previous prime is 131459459. The next prime is 131459477. The reversal of 131459473 is 374954131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119508624 + 11950849 = 10932^2 + 3457^2 .

It is an emirp because it is prime and its reverse (374954131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131459473 is a prime.

It is not a weakly prime, because it can be changed into another prime (131459477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65729736 + 65729737.

It is an arithmetic number, because the mean of its divisors is an integer number (65729737).

Almost surely, 2^131459473 is an apocalyptic number.

It is an amenable number.

131459473 is a deficient number, since it is larger than the sum of its proper divisors (1).

131459473 is an equidigital number, since it uses as much as digits as its factorization.

131459473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 131459473 is about 11465.5777438383. The cubic root of 131459473 is about 508.4683935549.

It can be divided in two parts, 13 and 1459473, that added together give a triangular number (1459486 = T₁₇₀₈).

The spelling of 131459473 in words is "one hundred thirty-one million, four hundred fifty-nine thousand, four hundred seventy-three".