1141643635 has 8 divisors (see below), whose sum is σ = 1494515376. Its totient is φ = 830286240.

The previous prime is 1141643599. The next prime is 1141643641. The reversal of 1141643635 is 5363461411.

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

It is not a de Polignac number, because 1141643635 - 2²³ = 1133255027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141643635.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10378524 + ... + 10378633.

It is an arithmetic number, because the mean of its divisors is an integer number (186814422).

Almost surely, 2^1141643635 is an apocalyptic number.

1141643635 is a deficient number, since it is larger than the sum of its proper divisors (352871741).

1141643635 is a wasteful number, since it uses less digits than its factorization.

1141643635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757173.

The product of its digits is 25920, while the sum is 34.

The square root of 1141643635 is about 33788.2173989691. The cubic root of 1141643635 is about 1045.1457364109.

The spelling of 1141643635 in words is "one billion, one hundred forty-one million, six hundred forty-three thousand, six hundred thirty-five".