1135081740 has 288 divisors, whose sum is σ = 3730599936. Its totient is φ = 256988160.

The previous prime is 1135081729. The next prime is 1135081747. The reversal of 1135081740 is 471805311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1135081698 and 1135081707.

It is not an unprimeable number, because it can be changed into a prime (1135081747) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7229742 + ... + 7229898.

It is an arithmetic number, because the mean of its divisors is an integer number (12953472).

Almost surely, 2^1135081740 is an apocalyptic number.

1135081740 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 1135081740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865299968).

1135081740 is an abundant number, since it is smaller than the sum of its proper divisors (2595518196).

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

1135081740 is a wasteful number, since it uses less digits than its factorization.

1135081740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1135081740 is about 33690.9741622293. The cubic root of 1135081740 is about 1043.1394716028.

The spelling of 1135081740 in words is "one billion, one hundred thirty-five million, eighty-one thousand, seven hundred forty".