1043142636 has 24 divisors (see below), whose sum is σ = 2562105280. Its totient is φ = 329413392.

The previous prime is 1043142613. The next prime is 1043142637. The reversal of 1043142636 is 6362413401.

It is not an unprimeable number, because it can be changed into a prime (1043142637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287366 + ... + 2287821.

Almost surely, 2^1043142636 is an apocalyptic number.

It is an amenable number.

1043142636 is an abundant number, since it is smaller than the sum of its proper divisors (1518962644).

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

1043142636 is a wasteful number, since it uses less digits than its factorization.

1043142636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575213 (or 4575211 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1043142636 is about 32297.7187429701. The cubic root of 1043142636 is about 1014.1788876336.

The spelling of 1043142636 in words is "one billion, forty-three million, one hundred forty-two thousand, six hundred thirty-six".