1140313003 has 4 divisors (see below), whose sum is σ = 1140596640. Its totient is φ = 1140029368.

The previous prime is 1140312991. The next prime is 1140313019. The reversal of 1140313003 is 3003130411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003130411 = 79 ⋅38014309.

It is a cyclic number.

It is not a de Polignac number, because 1140313003 - 2¹³ = 1140304811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140313043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135700 + ... + 143857.

It is an arithmetic number, because the mean of its divisors is an integer number (285149160).

Almost surely, 2^1140313003 is an apocalyptic number.

1140313003 is a deficient number, since it is larger than the sum of its proper divisors (283637).

1140313003 is an equidigital number, since it uses as much as digits as its factorization.

1140313003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283636.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1140313003 is about 33768.5208885435. The cubic root of 1140313003 is about 1044.7395252908.

Adding to 1140313003 its reverse (3003130411), we get a palindrome (4143443414).

The spelling of 1140313003 in words is "one billion, one hundred forty million, three hundred thirteen thousand, three".