132261491 has 2 divisors, whose sum is σ = 132261492. Its totient is φ = 132261490.

The previous prime is 132261487. The next prime is 132261497. The reversal of 132261491 is 194162231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132261491 - 2² = 132261487 is a prime.

It is a Sophie Germain prime.

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, 66130745 + 66130746.

It is an arithmetic number, because the mean of its divisors is an integer number (66130746).

Almost surely, 2^132261491 is an apocalyptic number.

132261491 is a deficient number, since it is larger than the sum of its proper divisors (1).

132261491 is an equidigital number, since it uses as much as digits as its factorization.

132261491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 132261491 is about 11500.4995978436. The cubic root of 132261491 is about 509.5003320937.

The spelling of 132261491 in words is "one hundred thirty-two million, two hundred sixty-one thousand, four hundred ninety-one".