1140381727 has 4 divisors (see below), whose sum is σ = 1164645216. Its totient is φ = 1116118240.

The previous prime is 1140381713. The next prime is 1140381751. The reversal of 1140381727 is 7271830411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7271830411 = 17573 ⋅413807.

It is a cyclic number.

It is not a de Polignac number, because 1140381727 - 2²³ = 1131993119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140381692 and 1140381701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140381797) 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 in 3 ways as a sum of consecutive naturals, for example, 12131674 + ... + 12131767.

It is an arithmetic number, because the mean of its divisors is an integer number (291161304).

Almost surely, 2^1140381727 is an apocalyptic number.

1140381727 is a deficient number, since it is larger than the sum of its proper divisors (24263489).

1140381727 is an equidigital number, since it uses as much as digits as its factorization.

1140381727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24263488.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1140381727 is about 33769.5384481340. The cubic root of 1140381727 is about 1044.7605128725.

The spelling of 1140381727 in words is "one billion, one hundred forty million, three hundred eighty-one thousand, seven hundred twenty-seven".