134782680 has 32 divisors (see below), whose sum is σ = 404348400. Its totient is φ = 35942016.

The previous prime is 134782673. The next prime is 134782709. The reversal of 134782680 is 86287431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 561475 + ... + 561714.

Almost surely, 2^134782680 is an apocalyptic number.

134782680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134782680 is an abundant number, since it is smaller than the sum of its proper divisors (269565720).

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

134782680 is a wasteful number, since it uses less digits than its factorization.

134782680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123203 (or 1123199 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 134782680 is about 11609.5943081574. The cubic root of 134782680 is about 512.7173680360.

The spelling of 134782680 in words is "one hundred thirty-four million, seven hundred eighty-two thousand, six hundred eighty".