1140945193 has 12 divisors (see below), whose sum is σ = 1205910720. Its totient is φ = 1079320536.

The previous prime is 1140945161. The next prime is 1140945203. The reversal of 1140945193 is 3915490411.

It is not a de Polignac number, because 1140945193 - 2⁵ = 1140945161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140945103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300996 + ... + 304762.

It is an arithmetic number, because the mean of its divisors is an integer number (100492560).

Almost surely, 2^1140945193 is an apocalyptic number.

It is an amenable number.

1140945193 is a deficient number, since it is larger than the sum of its proper divisors (64965527).

1140945193 is an equidigital number, since it uses as much as digits as its factorization.

1140945193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4625 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1140945193 is about 33777.8802324835. The cubic root of 1140945193 is about 1044.9325576310.

The spelling of 1140945193 in words is "one billion, one hundred forty million, nine hundred forty-five thousand, one hundred ninety-three".