116140643 has 2 divisors, whose sum is σ = 116140644. Its totient is φ = 116140642.

The previous prime is 116140631. The next prime is 116140667. The reversal of 116140643 is 346041611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116140643 is a prime.

It is equal to p_6634205 and since 116140643 and 6634205 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (116140603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58070321 + 58070322.

It is an arithmetic number, because the mean of its divisors is an integer number (58070322).

Almost surely, 2^116140643 is an apocalyptic number.

116140643 is a deficient number, since it is larger than the sum of its proper divisors (1).

116140643 is an equidigital number, since it uses as much as digits as its factorization.

116140643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 116140643 is about 10776.8568237682. The cubic root of 116140643 is about 487.8969187340.

The spelling of 116140643 in words is "one hundred sixteen million, one hundred forty thousand, six hundred forty-three".