140707230121 has 2 divisors, whose sum is σ = 140707230122. Its totient is φ = 140707230120.

The previous prime is 140707230089. The next prime is 140707230133. The reversal of 140707230121 is 121032707041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110409998400 + 30297231721 = 332280^2 + 174061^2 .

It is a cyclic number.

It is not a de Polignac number, because 140707230121 - 2⁵ = 140707230089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140707230121.

It is not a weakly prime, because it can be changed into another prime (140707230421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70353615060 + 70353615061.

It is an arithmetic number, because the mean of its divisors is an integer number (70353615061).

Almost surely, 2^140707230121 is an apocalyptic number.

It is an amenable number.

140707230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

140707230121 is an equidigital number, since it uses as much as digits as its factorization.

140707230121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 140707230121 its reverse (121032707041), we get a palindrome (261739937162).

The spelling of 140707230121 in words is "one hundred forty billion, seven hundred seven million, two hundred thirty thousand, one hundred twenty-one".