131454305 has 4 divisors (see below), whose sum is σ = 157745172. Its totient is φ = 105163440.

The previous prime is 131454259. The next prime is 131454317. The reversal of 131454305 is 503454131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503454131 = 787 ⋅639713.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 78978769 = 7244^2 + 8887^2 .

It is not a de Polignac number, because 131454305 - 2⁸ = 131454049 is a prime.

It is a Duffinian number.

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, 13145426 + ... + 13145435.

It is an arithmetic number, because the mean of its divisors is an integer number (39436293).

Almost surely, 2^131454305 is an apocalyptic number.

It is an amenable number.

131454305 is a deficient number, since it is larger than the sum of its proper divisors (26290867).

131454305 is an equidigital number, since it uses as much as digits as its factorization.

131454305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26290866.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 131454305 is about 11465.3523713840. The cubic root of 131454305 is about 508.4617304137.

The spelling of 131454305 in words is "one hundred thirty-one million, four hundred fifty-four thousand, three hundred five".