213440134414 has 16 divisors (see below), whose sum is σ = 346984017408. Its totient is φ = 97883371872.

The previous prime is 213440134409. The next prime is 213440134421. The reversal of 213440134414 is 414431044312.

213440134414 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26139982 + ... + 26148145.

It is an arithmetic number, because the mean of its divisors is an integer number (21686501088).

Almost surely, 2^213440134414 is an apocalyptic number.

213440134414 is a deficient number, since it is larger than the sum of its proper divisors (133543882994).

213440134414 is a wasteful number, since it uses less digits than its factorization.

213440134414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52288299.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 213440134414 its reverse (414431044312), we get a palindrome (627871178726).

The spelling of 213440134414 in words is "two hundred thirteen billion, four hundred forty million, one hundred thirty-four thousand, four hundred fourteen".