1540230214 has 16 divisors (see below), whose sum is σ = 2336594400. Its totient is φ = 761382144.

The previous prime is 1540230203. The next prime is 1540230221. The reversal of 1540230214 is 4120320451.

It is a super-2 number, since 2×1540230214² = 4744618224236971592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211567 + ... + 218725.

It is an arithmetic number, because the mean of its divisors is an integer number (146037150).

Almost surely, 2^1540230214 is an apocalyptic number.

1540230214 is a deficient number, since it is larger than the sum of its proper divisors (796364186).

1540230214 is a wasteful number, since it uses less digits than its factorization.

1540230214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1540230214 is about 39245.7668290479. The cubic root of 1540230214 is about 1154.8578909759.

Adding to 1540230214 its reverse (4120320451), we get a palindrome (5660550665).

The spelling of 1540230214 in words is "one billion, five hundred forty million, two hundred thirty thousand, two hundred fourteen".