140196349 has 2 divisors, whose sum is σ = 140196350. Its totient is φ = 140196348.

The previous prime is 140196341. The next prime is 140196377. The reversal of 140196349 is 943691041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91336249 + 48860100 = 9557^2 + 6990^2 .

It is a cyclic number.

It is not a de Polignac number, because 140196349 - 2³ = 140196341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140196341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70098174 + 70098175.

It is an arithmetic number, because the mean of its divisors is an integer number (70098175).

Almost surely, 2^140196349 is an apocalyptic number.

It is an amenable number.

140196349 is a deficient number, since it is larger than the sum of its proper divisors (1).

140196349 is an equidigital number, since it uses as much as digits as its factorization.

140196349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 140196349 is about 11840.4539186638. The cubic root of 140196349 is about 519.4920446524.

The spelling of 140196349 in words is "one hundred forty million, one hundred ninety-six thousand, three hundred forty-nine".