134122386778884 has 81 divisors (see below), whose sum is σ = 394385115206901. Its totient is φ = 38320542963360.

The previous prime is 134122386778873. The next prime is 134122386778889. The reversal of 134122386778884 is 488877683221431.

The square root of 134122386778884 is 11581122.

It is a perfect power (a square), and thus also a powerful number.

134122386778884 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 22 + 386 + 77 + 88 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2325557900484 + 131796828878400 = 1524978^2 + 11480280^2 .

It is a super-3 number, since 3×134122386778884³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (134122386778889) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 486269254 + ... + 486544994.

Almost surely, 2^{134122386778884} is an apocalyptic number.

134122386778884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134122386778884 is the 11581122-nd square number.

It is an amenable number.

134122386778884 is an abundant number, since it is smaller than the sum of its proper divisors (260262728428017).

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

134122386778884 is an frugal number, since it uses more digits than its factorization.

134122386778884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551506 (or 275753 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 72.

The spelling of 134122386778884 in words is "one hundred thirty-four trillion, one hundred twenty-two billion, three hundred eighty-six million, seven hundred seventy-eight thousand, eight hundred eighty-four".