213126807384 has 48 divisors (see below), whose sum is σ = 578521499400. Its totient is φ = 70881892224.

The previous prime is 213126807379. The next prime is 213126807409. The reversal of 213126807384 is 483708621312.

213126807384 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 268 + 0 + 7 + 384 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309069 + ... + 3372860.

Almost surely, 2^213126807384 is an apocalyptic number.

213126807384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213126807384 is an abundant number, since it is smaller than the sum of its proper divisors (365394692016).

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

213126807384 is a wasteful number, since it uses less digits than its factorization.

213126807384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682384 (or 6682377 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 213126807384 in words is "two hundred thirteen billion, one hundred twenty-six million, eight hundred seven thousand, three hundred eighty-four".