135555039684 has 27 divisors (see below), whose sum is σ = 342658601103. Its totient is φ = 45184276872.

The previous prime is 135555039661. The next prime is 135555039703. The reversal of 135555039684 is 486930555531.

The square root of 135555039684 is 368178.

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

135555039684 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 550 + 3 + 9 + 6 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 135555039684.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2178387 + ... + 2239749.

Almost surely, 2^135555039684 is an apocalyptic number.

135555039684 is the 368178-th square number.

It is an amenable number.

135555039684 is an abundant number, since it is smaller than the sum of its proper divisors (207103561419).

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

135555039684 is an frugal number, since it uses more digits than its factorization.

135555039684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122736 (or 61368 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 135555039684 in words is "one hundred thirty-five billion, five hundred fifty-five million, thirty-nine thousand, six hundred eighty-four".