134660585778 has 16 divisors (see below), whose sum is σ = 269328658080. Its totient is φ = 44885614176.

The previous prime is 134660585777. The next prime is 134660585789. The reversal of 134660585778 is 877585066431.

It is not an unprimeable number, because it can be changed into a prime (134660585777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62800 + ... + 522747.

It is an arithmetic number, because the mean of its divisors is an integer number (16833041130).

Almost surely, 2^134660585778 is an apocalyptic number.

134660585778 is an abundant number, since it is smaller than the sum of its proper divisors (134668072302).

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

134660585778 is a wasteful number, since it uses less digits than its factorization.

134660585778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623881.

The product of its (nonzero) digits is 33868800, while the sum is 60.

The spelling of 134660585778 in words is "one hundred thirty-four billion, six hundred sixty million, five hundred eighty-five thousand, seven hundred seventy-eight".