1140494730 has 32 divisors (see below), whose sum is σ = 2738159424. Its totient is φ = 304023936.

The previous prime is 1140494717. The next prime is 1140494731. The reversal of 1140494730 is 374940411.

It is a junction number, because it is equal to n+sod(n) for n = 1140494691 and 1140494700.

It is not an unprimeable number, because it can be changed into a prime (1140494731) 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, 115342 + ... + 124838.

It is an arithmetic number, because the mean of its divisors is an integer number (85567482).

Almost surely, 2^1140494730 is an apocalyptic number.

1140494730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140494730 is an abundant number, since it is smaller than the sum of its proper divisors (1597664694).

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

1140494730 is a wasteful number, since it uses less digits than its factorization.

1140494730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13510.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1140494730 is about 33771.2115565906. The cubic root of 1140494730 is about 1044.7950209587.

The spelling of 1140494730 in words is "one billion, one hundred forty million, four hundred ninety-four thousand, seven hundred thirty".