213544126 has 8 divisors (see below), whose sum is σ = 324704304. Its totient is φ = 105309360.

The previous prime is 213544117. The next prime is 213544153. The reversal of 213544126 is 621445312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213544094 and 213544103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731170 + ... + 731461.

It is an arithmetic number, because the mean of its divisors is an integer number (40588038).

Almost surely, 2^213544126 is an apocalyptic number.

213544126 is a deficient number, since it is larger than the sum of its proper divisors (111160178).

213544126 is a wasteful number, since it uses less digits than its factorization.

213544126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462706.

The product of its digits is 5760, while the sum is 28.

The square root of 213544126 is about 14613.1490788262. The cubic root of 213544126 is about 597.7173696025.

Adding to 213544126 its reverse (621445312), we get a palindrome (834989438).

The spelling of 213544126 in words is "two hundred thirteen million, five hundred forty-four thousand, one hundred twenty-six".