132778828 has 108 divisors (see below), whose sum is σ = 307989696. Its totient is φ = 49593600.

The previous prime is 132778819. The next prime is 132778831. The reversal of 132778828 is 828877231.

132778828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3238488 + ... + 3238528.

Almost surely, 2^132778828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132778828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153994848).

132778828 is an abundant number, since it is smaller than the sum of its proper divisors (175210868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132778828 is a wasteful number, since it uses less digits than its factorization.

132778828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 94 counting only the distinct ones).

The product of its digits is 301056, while the sum is 46.

The square root of 132778828 is about 11522.9695825338. The cubic root of 132778828 is about 510.1637664512.

The spelling of 132778828 in words is "one hundred thirty-two million, seven hundred seventy-eight thousand, eight hundred twenty-eight".