140000324657 has 2 divisors, whose sum is σ = 140000324658. Its totient is φ = 140000324656.

The previous prime is 140000324573. The next prime is 140000324699. The reversal of 140000324657 is 756423000041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138684739216 + 1315585441 = 372404^2 + 36271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140000324657 is a prime.

It is not a weakly prime, because it can be changed into another prime (140000324357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70000162328 + 70000162329.

It is an arithmetic number, because the mean of its divisors is an integer number (70000162329).

Almost surely, 2^140000324657 is an apocalyptic number.

It is an amenable number.

140000324657 is a deficient number, since it is larger than the sum of its proper divisors (1).

140000324657 is an equidigital number, since it uses as much as digits as its factorization.

140000324657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 140000324657 its reverse (756423000041), we get a palindrome (896423324698).

The spelling of 140000324657 in words is "one hundred forty billion, three hundred twenty-four thousand, six hundred fifty-seven".