214336540 has 48 divisors (see below), whose sum is σ = 512386560. Its totient is φ = 74550080.

The previous prime is 214336537. The next prime is 214336579. The reversal of 214336540 is 45633412.

It is a junction number, because it is equal to n+sod(n) for n = 214336499 and 214336508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16120 + ... + 26239.

It is an arithmetic number, because the mean of its divisors is an integer number (10674720).

Almost surely, 2^214336540 is an apocalyptic number.

214336540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214336540 is an abundant number, since it is smaller than the sum of its proper divisors (298050020).

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

214336540 is a wasteful number, since it uses less digits than its factorization.

214336540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42402 (or 42400 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 214336540 is about 14640.2370199393. The cubic root of 214336540 is about 598.4557883528.

Adding to 214336540 its reverse (45633412), we get a palindrome (259969952).

It can be divided in two parts, 2143 and 36540, that added together give a palindrome (38683).

The spelling of 214336540 in words is "two hundred fourteen million, three hundred thirty-six thousand, five hundred forty".