131135365 has 16 divisors (see below), whose sum is σ = 166909680. Its totient is φ = 98565120.

The previous prime is 131135353. The next prime is 131135371. The reversal of 131135365 is 563531131.

It can be written as a sum of positive squares in 8 ways, for example, as 8767521 + 122367844 = 2961^2 + 11062^2 .

It is not a de Polignac number, because 131135365 - 2¹³ = 131127173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69535 + ... + 71395.

It is an arithmetic number, because the mean of its divisors is an integer number (10431855).

Almost surely, 2^131135365 is an apocalyptic number.

It is an amenable number.

131135365 is a deficient number, since it is larger than the sum of its proper divisors (35774315).

131135365 is a wasteful number, since it uses less digits than its factorization.

131135365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 4050, while the sum is 28.

The square root of 131135365 is about 11451.4350629081. The cubic root of 131135365 is about 508.0501802684.

Adding to 131135365 its reverse (563531131), we get a palindrome (694666496).

The spelling of 131135365 in words is "one hundred thirty-one million, one hundred thirty-five thousand, three hundred sixty-five".