132129947 has 2 divisors, whose sum is σ = 132129948. Its totient is φ = 132129946.

The previous prime is 132129931. The next prime is 132129973. The reversal of 132129947 is 749921231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132129947 - 2⁴ = 132129931 is a prime.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 132129947.

It is not a weakly prime, because it can be changed into another prime (132129047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66064973 + 66064974.

It is an arithmetic number, because the mean of its divisors is an integer number (66064974).

Almost surely, 2^132129947 is an apocalyptic number.

132129947 is a deficient number, since it is larger than the sum of its proper divisors (1).

132129947 is an equidigital number, since it uses as much as digits as its factorization.

132129947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 132129947 is about 11494.7791192350. The cubic root of 132129947 is about 509.3313639311.

The spelling of 132129947 in words is "one hundred thirty-two million, one hundred twenty-nine thousand, nine hundred forty-seven".