132863531 has 2 divisors, whose sum is σ = 132863532. Its totient is φ = 132863530.

The previous prime is 132863513. The next prime is 132863537. The reversal of 132863531 is 135368231.

Together with previous prime (132863513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (135368231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132863531 - 2¹⁸ = 132601387 is a prime.

It is a super-2 number, since 2×132863531² = 35305435739575922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132863537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66431765 + 66431766.

It is an arithmetic number, because the mean of its divisors is an integer number (66431766).

Almost surely, 2^132863531 is an apocalyptic number.

132863531 is a deficient number, since it is larger than the sum of its proper divisors (1).

132863531 is an equidigital number, since it uses as much as digits as its factorization.

132863531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 132863531 is about 11526.6443946189. The cubic root of 132863531 is about 510.2722255498.

The spelling of 132863531 in words is "one hundred thirty-two million, eight hundred sixty-three thousand, five hundred thirty-one".