140019064121 has 2 divisors, whose sum is σ = 140019064122. Its totient is φ = 140019064120.

The previous prime is 140019064051. The next prime is 140019064153. The reversal of 140019064121 is 121460910041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88687818025 + 51331246096 = 297805^2 + 226564^2 .

It is a cyclic number.

It is not a de Polignac number, because 140019064121 - 2³⁴ = 122839194937 is a prime.

It is not a weakly prime, because it can be changed into another prime (140019064181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70009532060 + 70009532061.

It is an arithmetic number, because the mean of its divisors is an integer number (70009532061).

Almost surely, 2^140019064121 is an apocalyptic number.

It is an amenable number.

140019064121 is a deficient number, since it is larger than the sum of its proper divisors (1).

140019064121 is an equidigital number, since it uses as much as digits as its factorization.

140019064121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 140019064121 its reverse (121460910041), we get a palindrome (261479974162).

The spelling of 140019064121 in words is "one hundred forty billion, nineteen million, sixty-four thousand, one hundred twenty-one".