214044136 has 8 divisors (see below), whose sum is σ = 401332770. Its totient is φ = 107022064.

The previous prime is 214044133. The next prime is 214044151. The reversal of 214044136 is 631440412.

It can be written as a sum of positive squares in only one way, i.e., 171872100 + 42172036 = 13110^2 + 6494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 214044136.

It is not an unprimeable number, because it can be changed into a prime (214044133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13377751 + ... + 13377766.

Almost surely, 2^214044136 is an apocalyptic number.

It is an amenable number.

214044136 is a deficient number, since it is larger than the sum of its proper divisors (187288634).

214044136 is a wasteful number, since it uses less digits than its factorization.

214044136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755523 (or 26755519 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 214044136 is about 14630.2472979783. The cubic root of 214044136 is about 598.1835210381.

Adding to 214044136 its reverse (631440412), we get a palindrome (845484548).

The spelling of 214044136 in words is "two hundred fourteen million, forty-four thousand, one hundred thirty-six".