132661456 has 10 divisors (see below), whose sum is σ = 257031602. Its totient is φ = 66330720.

The previous prime is 132661453. The next prime is 132661471. The reversal of 132661456 is 654166231.

It can be written as a sum of positive squares in only one way, i.e., 71571600 + 61089856 = 8460^2 + 7816^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4145655 + ... + 4145686.

Almost surely, 2^132661456 is an apocalyptic number.

132661456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

132661456 is a deficient number, since it is larger than the sum of its proper divisors (124370146).

132661456 is an equidigital number, since it uses as much as digits as its factorization.

132661456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291349 (or 8291343 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 132661456 is about 11517.8754985457. The cubic root of 132661456 is about 510.0133996223.

The spelling of 132661456 in words is "one hundred thirty-two million, six hundred sixty-one thousand, four hundred fifty-six".