196940141 has 2 divisors, whose sum is σ = 196940142. Its totient is φ = 196940140.

The previous prime is 196940113. The next prime is 196940143. The reversal of 196940141 is 141049691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194490916 + 2449225 = 13946^2 + 1565^2 .

It is an emirp because it is prime and its reverse (141049691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196940141 - 2¹⁸ = 196677997 is a prime.

Together with 196940143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196940143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98470070 + 98470071.

It is an arithmetic number, because the mean of its divisors is an integer number (98470071).

Almost surely, 2^196940141 is an apocalyptic number.

It is an amenable number.

196940141 is a deficient number, since it is larger than the sum of its proper divisors (1).

196940141 is an equidigital number, since it uses as much as digits as its factorization.

196940141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 196940141 is about 14033.5362970279. The cubic root of 196940141 is about 581.8058470330.

The spelling of 196940141 in words is "one hundred ninety-six million, nine hundred forty thousand, one hundred forty-one".