1140200989 has 2 divisors, whose sum is σ = 1140200990. Its totient is φ = 1140200988.

The previous prime is 1140200969. The next prime is 1140201043. The reversal of 1140200989 is 9890020411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139062500 + 1138489 = 33750^2 + 1067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140200989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140200909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570100494 + 570100495.

It is an arithmetic number, because the mean of its divisors is an integer number (570100495).

Almost surely, 2^1140200989 is an apocalyptic number.

It is an amenable number.

1140200989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140200989 is an equidigital number, since it uses as much as digits as its factorization.

1140200989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 1140200989 is about 33766.8622913057. The cubic root of 1140200989 is about 1044.7053155943.

The spelling of 1140200989 in words is "one billion, one hundred forty million, two hundred thousand, nine hundred eighty-nine".