1143002136 has 16 divisors (see below), whose sum is σ = 2857505400. Its totient is φ = 381000704.

The previous prime is 1143002101. The next prime is 1143002137. The reversal of 1143002136 is 6312003411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143002137) 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, 23812521 + ... + 23812568.

Almost surely, 2^1143002136 is an apocalyptic number.

It is an amenable number.

1143002136 is an abundant number, since it is smaller than the sum of its proper divisors (1714503264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143002136 is a wasteful number, since it uses less digits than its factorization.

1143002136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47625098 (or 47625094 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1143002136 is about 33808.3145986309. The cubic root of 1143002136 is about 1045.5601297994.

Adding to 1143002136 its reverse (6312003411), we get a palindrome (7455005547).

The spelling of 1143002136 in words is "one billion, one hundred forty-three million, two thousand, one hundred thirty-six".