1115144135 has 8 divisors (see below), whose sum is σ = 1529340576. Its totient is φ = 764670240.

The previous prime is 1115144099. The next prime is 1115144159. The reversal of 1115144135 is 5314415111.

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

It is not a de Polignac number, because 1115144135 - 2⁶ = 1115144071 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 15930596 + ... + 15930665.

It is an arithmetic number, because the mean of its divisors is an integer number (191167572).

Almost surely, 2^1115144135 is an apocalyptic number.

1115144135 is a deficient number, since it is larger than the sum of its proper divisors (414196441).

1115144135 is an equidigital number, since it uses as much as digits as its factorization.

1115144135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861273.

The product of its digits is 1200, while the sum is 26.

The square root of 1115144135 is about 33393.7738957429. The cubic root of 1115144135 is about 1036.9958097935.

Adding to 1115144135 its reverse (5314415111), we get a palindrome (6429559246).

The spelling of 1115144135 in words is "one billion, one hundred fifteen million, one hundred forty-four thousand, one hundred thirty-five".