214107540 has 48 divisors (see below), whose sum is σ = 607725888. Its totient is φ = 56312064.

The previous prime is 214107539. The next prime is 214107563. The reversal of 214107540 is 45701412.

It is a self number, because there is not a number n which added to its sum of digits gives 214107540.

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, 20062 + ... + 28821.

It is an arithmetic number, because the mean of its divisors is an integer number (12660956).

Almost surely, 2^214107540 is an apocalyptic number.

214107540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214107540 is an abundant number, since it is smaller than the sum of its proper divisors (393618348).

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

214107540 is a wasteful number, since it uses less digits than its factorization.

214107540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48968 (or 48966 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 214107540 is about 14632.4140181995. The cubic root of 214107540 is about 598.2425797045.

Adding to 214107540 its reverse (45701412), we get a palindrome (259808952).

The spelling of 214107540 in words is "two hundred fourteen million, one hundred seven thousand, five hundred forty".