132778 has 8 divisors (see below), whose sum is σ = 200772. Its totient is φ = 65856.

The previous prime is 132763. The next prime is 132817. The reversal of 132778 is 877231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 127449 + 5329 = 357^2 + 73^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226 + ... + 562.

2¹³²⁷⁷⁸ is an apocalyptic number.

132778 is a deficient number, since it is larger than the sum of its proper divisors (67994).

132778 is a wasteful number, since it uses less digits than its factorization.

132778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 2352, while the sum is 28.

The square root of 132778 is about 364.3871567440. The cubic root of 132778 is about 51.0162706000.

The spelling of 132778 in words is "one hundred thirty-two thousand, seven hundred seventy-eight".