139455353 has 2 divisors, whose sum is σ = 139455354. Its totient is φ = 139455352.

The previous prime is 139455313. The next prime is 139455377. The reversal of 139455353 is 353554931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136726249 + 2729104 = 11693^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 139455353 - 2¹⁴ = 139438969 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (139455313) 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, 69727676 + 69727677.

It is an arithmetic number, because the mean of its divisors is an integer number (69727677).

Almost surely, 2^139455353 is an apocalyptic number.

It is an amenable number.

139455353 is a deficient number, since it is larger than the sum of its proper divisors (1).

139455353 is an equidigital number, since it uses as much as digits as its factorization.

139455353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 38.

The square root of 139455353 is about 11809.1216015418. The cubic root of 139455353 is about 518.5751835968.

The spelling of 139455353 in words is "one hundred thirty-nine million, four hundred fifty-five thousand, three hundred fifty-three".