140412211493 has 2 divisors, whose sum is σ = 140412211494. Its totient is φ = 140412211492.

The previous prime is 140412211447. The next prime is 140412211519. The reversal of 140412211493 is 394112214041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123578965444 + 16833246049 = 351538^2 + 129743^2 .

It is a cyclic number.

It is not a de Polignac number, because 140412211493 - 2²⁸ = 140143776037 is a prime.

It is a super-2 number, since 2×140412211493² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140412216493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70206105746 + 70206105747.

It is an arithmetic number, because the mean of its divisors is an integer number (70206105747).

Almost surely, 2^140412211493 is an apocalyptic number.

It is an amenable number.

140412211493 is a deficient number, since it is larger than the sum of its proper divisors (1).

140412211493 is an equidigital number, since it uses as much as digits as its factorization.

140412211493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 140412211493 in words is "one hundred forty billion, four hundred twelve million, two hundred eleven thousand, four hundred ninety-three".