266536141 has 2 divisors, whose sum is σ = 266536142. Its totient is φ = 266536140.

The previous prime is 266536111. The next prime is 266536159. The reversal of 266536141 is 141635662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191020041 + 75516100 = 13821^2 + 8690^2 .

It is a cyclic number.

It is not a de Polignac number, because 266536141 - 2¹⁹ = 266011853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266536097 and 266536106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266536111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133268070 + 133268071.

It is an arithmetic number, because the mean of its divisors is an integer number (133268071).

Almost surely, 2^266536141 is an apocalyptic number.

It is an amenable number.

266536141 is a deficient number, since it is larger than the sum of its proper divisors (1).

266536141 is an equidigital number, since it uses as much as digits as its factorization.

266536141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 266536141 is about 16325.9346133690. The cubic root of 266536141 is about 643.5545549767.

The spelling of 266536141 in words is "two hundred sixty-six million, five hundred thirty-six thousand, one hundred forty-one".