140212341187 has 2 divisors, whose sum is σ = 140212341188. Its totient is φ = 140212341186.

The previous prime is 140212341169. The next prime is 140212341221. The reversal of 140212341187 is 781143212041.

It is an a-pointer prime, because the next prime (140212341221) can be obtained adding 140212341187 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140212341187 is a prime.

It is a super-2 number, since 2×140212341187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140212341127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70106170593 + 70106170594.

It is an arithmetic number, because the mean of its divisors is an integer number (70106170594).

Almost surely, 2^140212341187 is an apocalyptic number.

140212341187 is a deficient number, since it is larger than the sum of its proper divisors (1).

140212341187 is an equidigital number, since it uses as much as digits as its factorization.

140212341187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 140212341187 in words is "one hundred forty billion, two hundred twelve million, three hundred forty-one thousand, one hundred eighty-seven".