1140348871 has 2 divisors, whose sum is σ = 1140348872. Its totient is φ = 1140348870.

The previous prime is 1140348793. The next prime is 1140348877. The reversal of 1140348871 is 1788430411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140348871 - 2⁷ = 1140348743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140348871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140348877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570174435 + 570174436.

It is an arithmetic number, because the mean of its divisors is an integer number (570174436).

Almost surely, 2^1140348871 is an apocalyptic number.

1140348871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140348871 is an equidigital number, since it uses as much as digits as its factorization.

1140348871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 1140348871 is about 33769.0519707024. The cubic root of 1140348871 is about 1044.7504791033.

The spelling of 1140348871 in words is "one billion, one hundred forty million, three hundred forty-eight thousand, eight hundred seventy-one".