1135540103 has 4 divisors (see below), whose sum is σ = 1147246800. Its totient is φ = 1123833408.

The previous prime is 1135540093. The next prime is 1135540117. The reversal of 1135540103 is 3010455311.

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

It is a cyclic number.

It is not a de Polignac number, because 1135540103 - 2²² = 1131345799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135540123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5853203 + ... + 5853396.

It is an arithmetic number, because the mean of its divisors is an integer number (286811700).

Almost surely, 2^1135540103 is an apocalyptic number.

1135540103 is a deficient number, since it is larger than the sum of its proper divisors (11706697).

1135540103 is an equidigital number, since it uses as much as digits as its factorization.

1135540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706696.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1135540103 is about 33697.7759355124. The cubic root of 1135540103 is about 1043.2798644854.

Adding to 1135540103 its reverse (3010455311), we get a palindrome (4145995414).

The spelling of 1135540103 in words is "one billion, one hundred thirty-five million, five hundred forty thousand, one hundred three".