1140352213 has 32 divisors (see below), whose sum is σ = 1597704192. Its totient is φ = 784555200.

The previous prime is 1140352193. The next prime is 1140352271. The reversal of 1140352213 is 3122530411.

It is a happy number.

It is not a de Polignac number, because 1140352213 - 2²¹ = 1138255061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140352313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1743 + ... + 47788.

It is an arithmetic number, because the mean of its divisors is an integer number (49928256).

Almost surely, 2^1140352213 is an apocalyptic number.

1140352213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1140352213 is a deficient number, since it is larger than the sum of its proper divisors (457351979).

1140352213 is a wasteful number, since it uses less digits than its factorization.

1140352213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1140352213 is about 33769.1014538439. The cubic root of 1140352213 is about 1044.7514997128.

Adding to 1140352213 its reverse (3122530411), we get a palindrome (4262882624).

It can be divided in two parts, 1140 and 352213, that added together give a palindrome (353353).

The spelling of 1140352213 in words is "one billion, one hundred forty million, three hundred fifty-two thousand, two hundred thirteen".