132661426 has 4 divisors (see below), whose sum is σ = 198992142. Its totient is φ = 66330712.

The previous prime is 132661423. The next prime is 132661427. The reversal of 132661426 is 624166231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624166231 = 13 ⋅48012787.

It can be written as a sum of positive squares in only one way, i.e., 128255625 + 4405801 = 11325^2 + 2099^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (132661423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33165355 + ... + 33165358.

Almost surely, 2^132661426 is an apocalyptic number.

132661426 is a deficient number, since it is larger than the sum of its proper divisors (66330716).

132661426 is an equidigital number, since it uses as much as digits as its factorization.

132661426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66330715.

The product of its digits is 10368, while the sum is 31.

The square root of 132661426 is about 11517.8741962221. The cubic root of 132661426 is about 510.0133611776.

The spelling of 132661426 in words is "one hundred thirty-two million, six hundred sixty-one thousand, four hundred twenty-six".