1144113535 has 8 divisors (see below), whose sum is σ = 1373320080. Its totient is φ = 915034944.

The previous prime is 1144113533. The next prime is 1144113563. The reversal of 1144113535 is 5353114411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144113535 - 2¹ = 1144113533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144113533) 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, 11070 + ... + 49099.

It is an arithmetic number, because the mean of its divisors is an integer number (171665010).

Almost surely, 2^1144113535 is an apocalyptic number.

1144113535 is a deficient number, since it is larger than the sum of its proper divisors (229206545).

1144113535 is an equidigital number, since it uses as much as digits as its factorization.

1144113535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63977.

The product of its digits is 3600, while the sum is 28.

The square root of 1144113535 is about 33824.7473752577. The cubic root of 1144113535 is about 1045.8989037510.

Adding to 1144113535 its reverse (5353114411), we get a palindrome (6497227946).

It can be divided in two parts, 11441 and 13535, that added together give a triangular number (24976 = T₂₂₃).

The spelling of 1144113535 in words is "one billion, one hundred forty-four million, one hundred thirteen thousand, five hundred thirty-five".