134787858787784 has 128 divisors (see below), whose sum is σ = 283651198617600. Its totient is φ = 59671280148480.

The previous prime is 134787858787741. The next prime is 134787858787807. The reversal of 134787858787784 is 487787858787431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134787858787693 and 134787858787702.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264959897 + ... + 265468119.

It is an arithmetic number, because the mean of its divisors is an integer number (2216024989200).

Almost surely, 2^{134787858787784} is an apocalyptic number.

It is an amenable number.

134787858787784 is an abundant number, since it is smaller than the sum of its proper divisors (148863339829816).

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

134787858787784 is a wasteful number, since it uses less digits than its factorization.

134787858787784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508983 (or 508979 counting only the distinct ones).

The product of its digits is 132175626240, while the sum is 92.

The spelling of 134787858787784 in words is "one hundred thirty-four trillion, seven hundred eighty-seven billion, eight hundred fifty-eight million, seven hundred eighty-seven thousand, seven hundred eighty-four".