1140203402 has 8 divisors (see below), whose sum is σ = 1841867076. Its totient is φ = 526247712.

The previous prime is 1140203401. The next prime is 1140203417. The reversal of 1140203402 is 2043020411.

It can be written as a sum of positive squares in 2 ways, for example, as 1129699321 + 10504081 = 33611^2 + 3241^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1140203401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21926963 + ... + 21927014.

Almost surely, 2^1140203402 is an apocalyptic number.

1140203402 is a deficient number, since it is larger than the sum of its proper divisors (701663674).

1140203402 is a wasteful number, since it uses less digits than its factorization.

1140203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43853992.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1140203402 is about 33766.8980215832. The cubic root of 1140203402 is about 1044.7060525615.

Adding to 1140203402 its reverse (2043020411), we get a palindrome (3183223813).

The spelling of 1140203402 in words is "one billion, one hundred forty million, two hundred three thousand, four hundred two".