134780780 has 24 divisors (see below), whose sum is σ = 287839440. Its totient is φ = 52998080.

The previous prime is 134780773. The next prime is 134780783. The reversal of 134780780 is 87087431.

It is not an unprimeable number, because it can be changed into a prime (134780783) by changing a digit.

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, 55931 + ... + 58290.

It is an arithmetic number, because the mean of its divisors is an integer number (11993310).

Almost surely, 2^134780780 is an apocalyptic number.

134780780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134780780 is an abundant number, since it is smaller than the sum of its proper divisors (153058660).

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

134780780 is a wasteful number, since it uses less digits than its factorization.

134780780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114289 (or 114287 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 134780780 is about 11609.5124789976. The cubic root of 134780780 is about 512.7149588056.

The spelling of 134780780 in words is "one hundred thirty-four million, seven hundred eighty thousand, seven hundred eighty".