1135100240 has 80 divisors (see below), whose sum is σ = 2711719296. Its totient is φ = 441638400.

The previous prime is 1135100231. The next prime is 1135100269. The reversal of 1135100240 is 420015311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069310 + ... + 1070370.

Almost surely, 2^1135100240 is an apocalyptic number.

1135100240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355859648).

1135100240 is an abundant number, since it is smaller than the sum of its proper divisors (1576619056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1135100240 is a wasteful number, since it uses less digits than its factorization.

1135100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1135100240 is about 33691.2487153563. The cubic root of 1135100240 is about 1043.1451387352.

Adding to 1135100240 its reverse (420015311), we get a palindrome (1555115551).

The spelling of 1135100240 in words is "one billion, one hundred thirty-five million, one hundred thousand, two hundred forty".