134688815628 has 24 divisors (see below), whose sum is σ = 314281055088. Its totient is φ = 44895250176.

The previous prime is 134688815567. The next prime is 134688815629. The reversal of 134688815628 is 826518886431.

It is not an unprimeable number, because it can be changed into a prime (134688815629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577200 + ... + 776232.

It is an arithmetic number, because the mean of its divisors is an integer number (13095043962).

Almost surely, 2^134688815628 is an apocalyptic number.

It is an amenable number.

134688815628 is an abundant number, since it is smaller than the sum of its proper divisors (179592239460).

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

134688815628 is a wasteful number, since it uses less digits than its factorization.

134688815628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255433 (or 255431 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 60.

The spelling of 134688815628 in words is "one hundred thirty-four billion, six hundred eighty-eight million, eight hundred fifteen thousand, six hundred twenty-eight".