1140475738 has 4 divisors (see below), whose sum is σ = 1710713610. Its totient is φ = 570237868.

The previous prime is 1140475733. The next prime is 1140475781. The reversal of 1140475738 is 8375740411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1125132849 + 15342889 = 33543^2 + 3917^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140475738.

It is not an unprimeable number, because it can be changed into a prime (1140475733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285118933 + ... + 285118936.

Almost surely, 2^1140475738 is an apocalyptic number.

1140475738 is a deficient number, since it is larger than the sum of its proper divisors (570237872).

1140475738 is an equidigital number, since it uses as much as digits as its factorization.

1140475738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570237871.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 1140475738 is about 33770.9303691799. The cubic root of 1140475738 is about 1044.7892214705.

The spelling of 1140475738 in words is "one billion, one hundred forty million, four hundred seventy-five thousand, seven hundred thirty-eight".