1135205340 has 24 divisors (see below), whose sum is σ = 3178575120. Its totient is φ = 302721408.

The previous prime is 1135205327. The next prime is 1135205341. The reversal of 1135205340 is 435025311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135205340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135205341) 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, 9459985 + ... + 9460104.

It is an arithmetic number, because the mean of its divisors is an integer number (132440630).

Almost surely, 2^1135205340 is an apocalyptic number.

1135205340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135205340 is an abundant number, since it is smaller than the sum of its proper divisors (2043369780).

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

1135205340 is a wasteful number, since it uses less digits than its factorization.

1135205340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18920101 (or 18920099 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1135205340 is about 33692.8084314739. The cubic root of 1135205340 is about 1043.1773330051.

The spelling of 1135205340 in words is "one billion, one hundred thirty-five million, two hundred five thousand, three hundred forty".