134821665384 has 64 divisors (see below), whose sum is σ = 393400627200. Its totient is φ = 37700889024.

The previous prime is 134821665343. The next prime is 134821665401. The reversal of 134821665384 is 483566128431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8529444 + ... + 8545235.

It is an arithmetic number, because the mean of its divisors is an integer number (6146884800).

Almost surely, 2^134821665384 is an apocalyptic number.

134821665384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

134821665384 is an abundant number, since it is smaller than the sum of its proper divisors (258578961816).

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

134821665384 is a wasteful number, since it uses less digits than its factorization.

134821665384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17074742 (or 17074738 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 134821665384 in words is "one hundred thirty-four billion, eight hundred twenty-one million, six hundred sixty-five thousand, three hundred eighty-four".