140000432420689 has 2 divisors, whose sum is σ = 140000432420690. Its totient is φ = 140000432420688.

The previous prime is 140000432420687. The next prime is 140000432420699. The reversal of 140000432420689 is 986024234000041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129445048721664 + 10555383699025 = 11377392^2 + 3248905^2 .

It is a cyclic number.

It is not a de Polignac number, because 140000432420689 - 2¹ = 140000432420687 is a prime.

Together with 140000432420687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (140000432420687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70000216210344 + 70000216210345.

It is an arithmetic number, because the mean of its divisors is an integer number (70000216210345).

Almost surely, 2^{140000432420689} is an apocalyptic number.

It is an amenable number.

140000432420689 is a deficient number, since it is larger than the sum of its proper divisors (1).

140000432420689 is an equidigital number, since it uses as much as digits as its factorization.

140000432420689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 140000432420689 in words is "one hundred forty trillion, four hundred thirty-two million, four hundred twenty thousand, six hundred eighty-nine".