140233381789 has 2 divisors, whose sum is σ = 140233381790. Its totient is φ = 140233381788.

The previous prime is 140233381781. The next prime is 140233381801. The reversal of 140233381789 is 987183332041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138976112025 + 1257269764 = 372795^2 + 35458^2 .

It is a cyclic number.

It is not a de Polignac number, because 140233381789 - 2³ = 140233381781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140233381781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70116690894 + 70116690895.

It is an arithmetic number, because the mean of its divisors is an integer number (70116690895).

Almost surely, 2^140233381789 is an apocalyptic number.

It is an amenable number.

140233381789 is a deficient number, since it is larger than the sum of its proper divisors (1).

140233381789 is an equidigital number, since it uses as much as digits as its factorization.

140233381789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 140233381789 in words is "one hundred forty billion, two hundred thirty-three million, three hundred eighty-one thousand, seven hundred eighty-nine".