1135400730 has 64 divisors (see below), whose sum is σ = 2829523968. Its totient is φ = 291271680.

The previous prime is 1135400723. The next prime is 1135400731. The reversal of 1135400730 is 370045311.

1135400730 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135400730.

It is not an unprimeable number, because it can be changed into a prime (1135400731) 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, 157362 + ... + 164418.

It is an arithmetic number, because the mean of its divisors is an integer number (44211312).

Almost surely, 2^1135400730 is an apocalyptic number.

1135400730 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 1135400730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414761984).

1135400730 is an abundant number, since it is smaller than the sum of its proper divisors (1694123238).

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

1135400730 is a wasteful number, since it uses less digits than its factorization.

1135400730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 1135400730 is about 33695.7078869105. The cubic root of 1135400730 is about 1043.2371796598.

The spelling of 1135400730 in words is "one billion, one hundred thirty-five million, four hundred thousand, seven hundred thirty".