1109748135 has 24 divisors (see below), whose sum is σ = 1802603376. Its totient is φ = 582996480.

The previous prime is 1109748109. The next prime is 1109748203. The reversal of 1109748135 is 5318479011.

It is not a de Polignac number, because 1109748135 - 2⁶ = 1109748071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1109748093 and 1109748102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59095 + ... + 75575.

It is an arithmetic number, because the mean of its divisors is an integer number (75108474).

Almost surely, 2^1109748135 is an apocalyptic number.

1109748135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1109748135 is a deficient number, since it is larger than the sum of its proper divisors (692855241).

1109748135 is an equidigital number, since it uses as much as digits as its factorization.

1109748135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623 (or 16556 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1109748135 is about 33312.8824180676. The cubic root of 1109748135 is about 1035.3204869959.

The spelling of 1109748135 in words is "one billion, one hundred nine million, seven hundred forty-eight thousand, one hundred thirty-five".