132261487 has 2 divisors, whose sum is σ = 132261488. Its totient is φ = 132261486.

The previous prime is 132261443. The next prime is 132261491. The reversal of 132261487 is 784162231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132261487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132261497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66130743 + 66130744.

It is an arithmetic number, because the mean of its divisors is an integer number (66130744).

Almost surely, 2^132261487 is an apocalyptic number.

132261487 is a deficient number, since it is larger than the sum of its proper divisors (1).

132261487 is an equidigital number, since it uses as much as digits as its factorization.

132261487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 132261487 is about 11500.4994239381. The cubic root of 132261487 is about 509.5003269574.

The spelling of 132261487 in words is "one hundred thirty-two million, two hundred sixty-one thousand, four hundred eighty-seven".