140524135657 has 2 divisors, whose sum is σ = 140524135658. Its totient is φ = 140524135656.

The previous prime is 140524135651. The next prime is 140524135699. The reversal of 140524135657 is 756531425041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104719548816 + 35804586841 = 323604^2 + 189221^2 .

It is a cyclic number.

It is not a de Polignac number, because 140524135657 - 2¹⁵ = 140524102889 is a prime.

It is not a weakly prime, because it can be changed into another prime (140524135651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70262067828 + 70262067829.

It is an arithmetic number, because the mean of its divisors is an integer number (70262067829).

Almost surely, 2^140524135657 is an apocalyptic number.

It is an amenable number.

140524135657 is a deficient number, since it is larger than the sum of its proper divisors (1).

140524135657 is an equidigital number, since it uses as much as digits as its factorization.

140524135657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 140524135657 in words is "one hundred forty billion, five hundred twenty-four million, one hundred thirty-five thousand, six hundred fifty-seven".