102001140389 has 2 divisors, whose sum is σ = 102001140390. Its totient is φ = 102001140388.

The previous prime is 102001140317. The next prime is 102001140401. The reversal of 102001140389 is 983041100201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80375085025 + 21626055364 = 283505^2 + 147058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102001140389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102001140289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000570194 + 51000570195.

It is an arithmetic number, because the mean of its divisors is an integer number (51000570195).

Almost surely, 2^102001140389 is an apocalyptic number.

It is an amenable number.

102001140389 is a deficient number, since it is larger than the sum of its proper divisors (1).

102001140389 is an equidigital number, since it uses as much as digits as its factorization.

102001140389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 102001140389 in words is "one hundred two billion, one million, one hundred forty thousand, three hundred eighty-nine".