133486782 has 32 divisors (see below), whose sum is σ = 313649280. Its totient is φ = 37338720.

The previous prime is 133486763. The next prime is 133486789. The reversal of 133486782 is 287684331.

133486782 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133486789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76932 + ... + 78647.

It is an arithmetic number, because the mean of its divisors is an integer number (9801540).

Almost surely, 2^133486782 is an apocalyptic number.

133486782 is an abundant number, since it is smaller than the sum of its proper divisors (180162498).

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

133486782 is a wasteful number, since it uses less digits than its factorization.

133486782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155608.

The product of its digits is 193536, while the sum is 42.

The square root of 133486782 is about 11553.6479953303. The cubic root of 133486782 is about 511.0688617286.

The spelling of 133486782 in words is "one hundred thirty-three million, four hundred eighty-six thousand, seven hundred eighty-two".