139229963 has 2 divisors, whose sum is σ = 139229964. Its totient is φ = 139229962.

The previous prime is 139229917. The next prime is 139230019. The reversal of 139229963 is 369922931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 139229963 - 2⁸ = 139229707 is a prime.

It is not a weakly prime, because it can be changed into another prime (139229903) 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, 69614981 + 69614982.

It is an arithmetic number, because the mean of its divisors is an integer number (69614982).

Almost surely, 2^139229963 is an apocalyptic number.

139229963 is a deficient number, since it is larger than the sum of its proper divisors (1).

139229963 is an equidigital number, since it uses as much as digits as its factorization.

139229963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 44.

The square root of 139229963 is about 11799.5746957253. The cubic root of 139229963 is about 518.2956564139.

The spelling of 139229963 in words is "one hundred thirty-nine million, two hundred twenty-nine thousand, nine hundred sixty-three".