1140221434 has 8 divisors (see below), whose sum is σ = 1865816928. Its totient is φ = 518282460.

The previous prime is 1140221387. The next prime is 1140221437. The reversal of 1140221434 is 4341220411.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 51828247 = 1140221434 / (1 + 1 + 4 + 0 + 2 + 2 + 1 + 4 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (1140221437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25914102 + ... + 25914145.

It is an arithmetic number, because the mean of its divisors is an integer number (233227116).

Almost surely, 2^1140221434 is an apocalyptic number.

1140221434 is a deficient number, since it is larger than the sum of its proper divisors (725595494).

1140221434 is a wasteful number, since it uses less digits than its factorization.

1140221434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51828260.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1140221434 is about 33767.1650275826. The cubic root of 1140221434 is about 1044.7115597778.

Adding to 1140221434 its reverse (4341220411), we get a palindrome (5481441845).

The spelling of 1140221434 in words is "one billion, one hundred forty million, two hundred twenty-one thousand, four hundred thirty-four".