1140718867 has 2 divisors, whose sum is σ = 1140718868. Its totient is φ = 1140718866.

The previous prime is 1140718823. The next prime is 1140718871. The reversal of 1140718867 is 7688170411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140718867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140718807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570359433 + 570359434.

It is an arithmetic number, because the mean of its divisors is an integer number (570359434).

Almost surely, 2^1140718867 is an apocalyptic number.

1140718867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140718867 is an equidigital number, since it uses as much as digits as its factorization.

1140718867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 1140718867 is about 33774.5298560913. The cubic root of 1140718867 is about 1044.8634596448.

The spelling of 1140718867 in words is "one billion, one hundred forty million, seven hundred eighteen thousand, eight hundred sixty-seven".