1140214447 has 8 divisors (see below), whose sum is σ = 1154340000. Its totient is φ = 1126155744.

The previous prime is 1140214433. The next prime is 1140214499. The reversal of 1140214447 is 7444120411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140214447 - 2⁷ = 1140214319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140214847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18054 + ... + 51052.

It is an arithmetic number, because the mean of its divisors is an integer number (144292500).

Almost surely, 2^1140214447 is an apocalyptic number.

1140214447 is a deficient number, since it is larger than the sum of its proper divisors (14125553).

1140214447 is a wasteful number, since it uses less digits than its factorization.

1140214447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33425.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 1140214447 is about 33767.0615689313. The cubic root of 1140214447 is about 1044.7094258605.

Adding to 1140214447 its reverse (7444120411), we get a palindrome (8584334858).

The spelling of 1140214447 in words is "one billion, one hundred forty million, two hundred fourteen thousand, four hundred forty-seven".