131345653 has 2 divisors, whose sum is σ = 131345654. Its totient is φ = 131345652.

The previous prime is 131345639. The next prime is 131345657. The reversal of 131345653 is 356543131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81685444 + 49660209 = 9038^2 + 7047^2 .

It is a cyclic number.

It is not a de Polignac number, because 131345653 - 2¹⁷ = 131214581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131345657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65672826 + 65672827.

It is an arithmetic number, because the mean of its divisors is an integer number (65672827).

Almost surely, 2^131345653 is an apocalyptic number.

It is an amenable number.

131345653 is a deficient number, since it is larger than the sum of its proper divisors (1).

131345653 is an equidigital number, since it uses as much as digits as its factorization.

131345653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 131345653 is about 11460.6131162342. The cubic root of 131345653 is about 508.3216041248.

Adding to 131345653 its reverse (356543131), we get a palindrome (487888784).

The spelling of 131345653 in words is "one hundred thirty-one million, three hundred forty-five thousand, six hundred fifty-three".