132663481 has 2 divisors, whose sum is σ = 132663482. Its totient is φ = 132663480.

The previous prime is 132663473. The next prime is 132663533. The reversal of 132663481 is 184366231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117917881 + 14745600 = 10859^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 132663481 - 2³ = 132663473 is a prime.

It is a super-2 number, since 2×132663481² = 35199198382074722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (132663431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66331740 + 66331741.

It is an arithmetic number, because the mean of its divisors is an integer number (66331741).

Almost surely, 2^132663481 is an apocalyptic number.

It is an amenable number.

132663481 is a deficient number, since it is larger than the sum of its proper divisors (1).

132663481 is an equidigital number, since it uses as much as digits as its factorization.

132663481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 132663481 is about 11517.9634050469. The cubic root of 132663481 is about 510.0159946284.

The spelling of 132663481 in words is "one hundred thirty-two million, six hundred sixty-three thousand, four hundred eighty-one".