139850425349 has 2 divisors, whose sum is σ = 139850425350. Its totient is φ = 139850425348.

The previous prime is 139850425331. The next prime is 139850425367. The reversal of 139850425349 is 943524058931.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (139850425331) and next prime (139850425367).

It can be written as a sum of positive squares in only one way, i.e., 121097040100 + 18753385249 = 347990^2 + 136943^2 .

It is an emirp because it is prime and its reverse (943524058931) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139850425349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139850425349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139850421349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69925212674 + 69925212675.

It is an arithmetic number, because the mean of its divisors is an integer number (69925212675).

Almost surely, 2^139850425349 is an apocalyptic number.

It is an amenable number.

139850425349 is a deficient number, since it is larger than the sum of its proper divisors (1).

139850425349 is an equidigital number, since it uses as much as digits as its factorization.

139850425349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 139850425349 in words is "one hundred thirty-nine billion, eight hundred fifty million, four hundred twenty-five thousand, three hundred forty-nine".