140428504793 has 2 divisors, whose sum is σ = 140428504794. Its totient is φ = 140428504792.

The previous prime is 140428504781. The next prime is 140428504813. The reversal of 140428504793 is 397405824041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136743164944 + 3685339849 = 369788^2 + 60707^2 .

It is a cyclic number.

It is not a de Polignac number, because 140428504793 - 2³⁰ = 139354762969 is a prime.

It is not a weakly prime, because it can be changed into another prime (140428503793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70214252396 + 70214252397.

It is an arithmetic number, because the mean of its divisors is an integer number (70214252397).

Almost surely, 2^140428504793 is an apocalyptic number.

It is an amenable number.

140428504793 is a deficient number, since it is larger than the sum of its proper divisors (1).

140428504793 is an equidigital number, since it uses as much as digits as its factorization.

140428504793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 140428504793 in words is "one hundred forty billion, four hundred twenty-eight million, five hundred four thousand, seven hundred ninety-three".