1133143541 has 4 divisors (see below), whose sum is σ = 1138007052. Its totient is φ = 1128280032.

The previous prime is 1133143513. The next prime is 1133143549. The reversal of 1133143541 is 1453413311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 680688100 + 452455441 = 26090^2 + 21271^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133143541 - 2¹⁴ = 1133127157 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 1133143541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133143549) 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, 2431406 + ... + 2431871.

It is an arithmetic number, because the mean of its divisors is an integer number (284501763).

Almost surely, 2^1133143541 is an apocalyptic number.

It is an amenable number.

1133143541 is a deficient number, since it is larger than the sum of its proper divisors (4863511).

1133143541 is an equidigital number, since it uses as much as digits as its factorization.

1133143541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4863510.

The product of its digits is 2160, while the sum is 26.

The square root of 1133143541 is about 33662.1975069959. The cubic root of 1133143541 is about 1042.5453987479.

Adding to 1133143541 its reverse (1453413311), we get a palindrome (2586556852).

It can be divided in two parts, 11331 and 43541, that added together give a cube (54872 = 38³).

The spelling of 1133143541 in words is "one billion, one hundred thirty-three million, one hundred forty-three thousand, five hundred forty-one".