1143435634 has 32 divisors (see below), whose sum is σ = 1927037952. Its totient is φ = 504336000.

The previous prime is 1143435619. The next prime is 1143435649. The reversal of 1143435634 is 4365343411.

It is an interprime number because it is at equal distance from previous prime (1143435619) and next prime (1143435649).

It is a self number, because there is not a number n which added to its sum of digits gives 1143435634.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168964 + ... + 175600.

It is an arithmetic number, because the mean of its divisors is an integer number (60219936).

Almost surely, 2^1143435634 is an apocalyptic number.

1143435634 is a deficient number, since it is larger than the sum of its proper divisors (783602318).

1143435634 is a wasteful number, since it uses less digits than its factorization.

1143435634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882.

The product of its digits is 51840, while the sum is 34.

The square root of 1143435634 is about 33814.7251060836. The cubic root of 1143435634 is about 1045.6922937219.

The spelling of 1143435634 in words is "one billion, one hundred forty-three million, four hundred thirty-five thousand, six hundred thirty-four".