1143346436 has 12 divisors (see below), whose sum is σ = 2047388112. Its totient is φ = 558378408.

The previous prime is 1143346409. The next prime is 1143346439. The reversal of 1143346436 is 6346433411.

It is a junction number, because it is equal to n+sod(n) for n = 1143346396 and 1143346405.

It is not an unprimeable number, because it can be changed into a prime (1143346439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323510 + ... + 3323853.

It is an arithmetic number, because the mean of its divisors is an integer number (170615676).

Almost surely, 2^1143346436 is an apocalyptic number.

It is an amenable number.

1143346436 is a deficient number, since it is larger than the sum of its proper divisors (904041676).

1143346436 is a wasteful number, since it uses less digits than its factorization.

1143346436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647410 (or 6647408 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 1143346436 is about 33813.4061579132. The cubic root of 1143346436 is about 1045.6651019605.

Adding to 1143346436 its reverse (6346433411), we get a palindrome (7489779847).

The spelling of 1143346436 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, four hundred thirty-six".