140213123224357 has 2 divisors, whose sum is σ = 140213123224358. Its totient is φ = 140213123224356.

The previous prime is 140213123224337. The next prime is 140213123224397. The reversal of 140213123224357 is 753422321312041.

It is an a-pointer prime, because the next prime (140213123224397) can be obtained adding 140213123224357 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138044781568516 + 2168341655841 = 11749246^2 + 1472529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140213123224357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140213123224337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70106561612178 + 70106561612179.

It is an arithmetic number, because the mean of its divisors is an integer number (70106561612179).

Almost surely, 2^{140213123224357} is an apocalyptic number.

It is an amenable number.

140213123224357 is a deficient number, since it is larger than the sum of its proper divisors (1).

140213123224357 is an equidigital number, since it uses as much as digits as its factorization.

140213123224357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

Adding to 140213123224357 its reverse (753422321312041), we get a palindrome (893635444536398).

The spelling of 140213123224357 in words is "one hundred forty trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty-four thousand, three hundred fifty-seven".