1135402530 has 64 divisors (see below), whose sum is σ = 2813374080. Its totient is φ = 293078016.

The previous prime is 1135402501. The next prime is 1135402531. The reversal of 1135402530 is 352045311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135402530.

It is not an unprimeable number, because it can be changed into a prime (1135402531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141876 + ... + 149664.

It is an arithmetic number, because the mean of its divisors is an integer number (43958970).

Almost surely, 2^1135402530 is an apocalyptic number.

1135402530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135402530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406687040).

1135402530 is an abundant number, since it is smaller than the sum of its proper divisors (1677971550).

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

1135402530 is a wasteful number, since it uses less digits than its factorization.

1135402530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7955.

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

The square root of 1135402530 is about 33695.7345965331. The cubic root of 1135402530 is about 1043.2377309559.

Adding to 1135402530 its reverse (352045311), we get a palindrome (1487447841).

The spelling of 1135402530 in words is "one billion, one hundred thirty-five million, four hundred two thousand, five hundred thirty".