131454205 has 8 divisors (see below), whose sum is σ = 157846104. Its totient is φ = 105096000.

The previous prime is 131454181. The next prime is 131454221. The reversal of 131454205 is 502454131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9174841 + 122279364 = 3029^2 + 11058^2 .

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

It is not a de Polignac number, because 131454205 - 2¹⁹ = 130929917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131454205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (19730763).

Almost surely, 2^131454205 is an apocalyptic number.

It is an amenable number.

131454205 is a deficient number, since it is larger than the sum of its proper divisors (26391899).

131454205 is a wasteful number, since it uses less digits than its factorization.

131454205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16847.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 131454205 is about 11465.3480104182. The cubic root of 131454205 is about 508.4616014812.

The spelling of 131454205 in words is "one hundred thirty-one million, four hundred fifty-four thousand, two hundred five".