131062465 has 16 divisors (see below), whose sum is σ = 160342416. Its totient is φ = 102816000.

The previous prime is 131062457. The next prime is 131062471. The reversal of 131062465 is 564260131.

It can be written as a sum of positive squares in 8 ways, for example, as 34000561 + 97061904 = 5831^2 + 9852^2 .

It is not a de Polignac number, because 131062465 - 2³ = 131062457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 186615 + ... + 187315.

It is an arithmetic number, because the mean of its divisors is an integer number (10021401).

Almost surely, 2^131062465 is an apocalyptic number.

It is an amenable number.

131062465 is a deficient number, since it is larger than the sum of its proper divisors (29279951).

131062465 is an equidigital number, since it uses as much as digits as its factorization.

131062465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 131062465 is about 11448.2516132377. The cubic root of 131062465 is about 507.9560187294.

The spelling of 131062465 in words is "one hundred thirty-one million, sixty-two thousand, four hundred sixty-five".