213413144 has 32 divisors (see below), whose sum is σ = 458215680. Its totient is φ = 91282464.

The previous prime is 213413119. The next prime is 213413201. The reversal of 213413144 is 441314312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27149 + ... + 34115.

It is an arithmetic number, because the mean of its divisors is an integer number (14319240).

Almost surely, 2^213413144 is an apocalyptic number.

It is an amenable number.

213413144 is an abundant number, since it is smaller than the sum of its proper divisors (244802536).

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

213413144 is a wasteful number, since it uses less digits than its factorization.

213413144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527 (or 7523 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 213413144 is about 14608.6667427250. Note that the first 3 decimals coincide. The cubic root of 213413144 is about 597.5951368967.

Adding to 213413144 its reverse (441314312), we get a palindrome (654727456).

The spelling of 213413144 in words is "two hundred thirteen million, four hundred thirteen thousand, one hundred forty-four".