1140113145 has 32 divisors (see below), whose sum is σ = 1928908800. Its totient is φ = 573441984.

The previous prime is 1140113131. The next prime is 1140113147. The reversal of 1140113145 is 5413110411.

It is not a de Polignac number, because 1140113145 - 2⁴ = 1140113129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140113147) 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, 54586 + ... + 72524.

It is an arithmetic number, because the mean of its divisors is an integer number (60278400).

Almost surely, 2^1140113145 is an apocalyptic number.

1140113145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140113145 is a deficient number, since it is larger than the sum of its proper divisors (788795655).

1140113145 is a wasteful number, since it uses less digits than its factorization.

1140113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18189.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1140113145 is about 33765.5615235405. The cubic root of 1140113145 is about 1044.6784859823.

Adding to 1140113145 its reverse (5413110411), we get a palindrome (6553223556).

The spelling of 1140113145 in words is "one billion, one hundred forty million, one hundred thirteen thousand, one hundred forty-five".