131868263 has 2 divisors, whose sum is σ = 131868264. Its totient is φ = 131868262.

The previous prime is 131868241. The next prime is 131868271. The reversal of 131868263 is 362868131.

It is a strong prime.

It is an emirp because it is prime and its reverse (362868131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131868263 - 2¹⁴ = 131851879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131868283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65934131 + 65934132.

It is an arithmetic number, because the mean of its divisors is an integer number (65934132).

Almost surely, 2^131868263 is an apocalyptic number.

131868263 is a deficient number, since it is larger than the sum of its proper divisors (1).

131868263 is an equidigital number, since it uses as much as digits as its factorization.

131868263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 131868263 is about 11483.3907448976. The cubic root of 131868263 is about 508.9948972976.

The spelling of 131868263 in words is "one hundred thirty-one million, eight hundred sixty-eight thousand, two hundred sixty-three".