131822065 has 4 divisors (see below), whose sum is σ = 158186484. Its totient is φ = 105457648.

The previous prime is 131822051. The next prime is 131822099. The reversal of 131822065 is 560228131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26718561 + 105103504 = 5169^2 + 10252^2 .

It is a cyclic number.

It is not a de Polignac number, because 131822065 - 2¹³ = 131813873 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, 13182202 + ... + 13182211.

It is an arithmetic number, because the mean of its divisors is an integer number (39546621).

Almost surely, 2^131822065 is an apocalyptic number.

It is an amenable number.

131822065 is a deficient number, since it is larger than the sum of its proper divisors (26364419).

131822065 is an equidigital number, since it uses as much as digits as its factorization.

131822065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364418.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 131822065 is about 11481.3790548000. The cubic root of 131822065 is about 508.9354508666.

The spelling of 131822065 in words is "one hundred thirty-one million, eight hundred twenty-two thousand, sixty-five".