1140936427 has 4 divisors (see below), whose sum is σ = 1148203696. Its totient is φ = 1133669160.

The previous prime is 1140936383. The next prime is 1140936449. The reversal of 1140936427 is 7246390411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140936427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140936127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3633399 + ... + 3633712.

It is an arithmetic number, because the mean of its divisors is an integer number (287050924).

Almost surely, 2^1140936427 is an apocalyptic number.

1140936427 is a deficient number, since it is larger than the sum of its proper divisors (7267269).

1140936427 is an equidigital number, since it uses as much as digits as its factorization.

1140936427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267268.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1140936427 is about 33777.7504727594. The cubic root of 1140936427 is about 1044.9298815158.

The spelling of 1140936427 in words is "one billion, one hundred forty million, nine hundred thirty-six thousand, four hundred twenty-seven".