141220393 has 2 divisors, whose sum is σ = 141220394. Its totient is φ = 141220392.

The previous prime is 141220367. The next prime is 141220403. The reversal of 141220393 is 393022141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72131049 + 69089344 = 8493^2 + 8312^2 .

It is an emirp because it is prime and its reverse (393022141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141220393 - 2²¹ = 139123241 is a prime.

It is not a weakly prime, because it can be changed into another prime (141220693) 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, 70610196 + 70610197.

It is an arithmetic number, because the mean of its divisors is an integer number (70610197).

Almost surely, 2^141220393 is an apocalyptic number.

It is an amenable number.

141220393 is a deficient number, since it is larger than the sum of its proper divisors (1).

141220393 is an equidigital number, since it uses as much as digits as its factorization.

141220393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 141220393 is about 11883.6186828760. The cubic root of 141220393 is about 520.7538290050.

The spelling of 141220393 in words is "one hundred forty-one million, two hundred twenty thousand, three hundred ninety-three".