1140130240 has 112 divisors (see below), whose sum is σ = 2863973952. Its totient is φ = 431456256.

The previous prime is 1140130231. The next prime is 1140130241. The reversal of 1140130240 is 420310411.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140130241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713122 + ... + 714718.

It is an arithmetic number, because the mean of its divisors is an integer number (25571196).

Almost surely, 2^1140130240 is an apocalyptic number.

1140130240 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 1140130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431986976).

1140130240 is an abundant number, since it is smaller than the sum of its proper divisors (1723843712).

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

1140130240 is a wasteful number, since it uses less digits than its factorization.

1140130240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1140130240 is about 33765.8146651314. The cubic root of 1140130240 is about 1044.6837073031.

Adding to 1140130240 its reverse (420310411), we get a palindrome (1560440651).

The spelling of 1140130240 in words is "one billion, one hundred forty million, one hundred thirty thousand, two hundred forty".