140011349 has 2 divisors, whose sum is σ = 140011350. Its totient is φ = 140011348.

The previous prime is 140011309. The next prime is 140011357. The reversal of 140011349 is 943110041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116488849 + 23522500 = 10793^2 + 4850^2 .

It is an emirp because it is prime and its reverse (943110041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140011349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140011309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70005674 + 70005675.

It is an arithmetic number, because the mean of its divisors is an integer number (70005675).

Almost surely, 2^140011349 is an apocalyptic number.

It is an amenable number.

140011349 is a deficient number, since it is larger than the sum of its proper divisors (1).

140011349 is an equidigital number, since it uses as much as digits as its factorization.

140011349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 140011349 is about 11832.6391392622. The cubic root of 140011349 is about 519.2634406668.

The spelling of 140011349 in words is "one hundred forty million, eleven thousand, three hundred forty-nine".